Home / 23,239,029.90-34,858,544.85-20,688,113.10

Finding the Fourth Proportional to 23,239,029.90, 34,858,544.85 and 20,688,113.10

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Solution

The fourth proportional to 23,239,029.90, 34,858,544.85 and 20,688,113.10 is: 31,032,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,239,029.90 : 34,858,544.85 = 20,688,113.10 : x
  2. Step 2: Convert to fraction form
    23,239,029.90/34,858,544.85 = 20,688,113.10/x
  3. Step 3: Cross multiply
    23,239,029.90x = 34,858,544.85 × 20,688,113.10
  4. Step 4: Simplify right side
    23,239,029.90x = 721,157,518,358,222.62
  5. Step 5: Solve for x
    x = 721,157,518,358,222.62/23,239,029.90
  6. Step 6: Final answer
    x = 31,032,169.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.