Home / 25,420,079.70-38,130,119.55-23,329,890.90

Finding the Fourth Proportional to 25,420,079.70, 38,130,119.55 and 23,329,890.90

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Solution

The fourth proportional to 25,420,079.70, 38,130,119.55 and 23,329,890.90 is: 34,994,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420,079.70 : 38,130,119.55 = 23,329,890.90 : x
  2. Step 2: Convert to fraction form
    25,420,079.70/38,130,119.55 = 23,329,890.90/x
  3. Step 3: Cross multiply
    25,420,079.70x = 38,130,119.55 × 23,329,890.90
  4. Step 4: Simplify right side
    25,420,079.70x = 889,571,529,105,457
  5. Step 5: Solve for x
    x = 889,571,529,105,457/25,420,079.70
  6. Step 6: Final answer
    x = 34,994,836.35

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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.