Home / 20,402,490.10-30,603,735.15-17,745,285.10

Finding the Fourth Proportional to 20,402,490.10, 30,603,735.15 and 17,745,285.10

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Solution

The fourth proportional to 20,402,490.10, 30,603,735.15 and 17,745,285.10 is: 26,617,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,490.10 : 30,603,735.15 = 17,745,285.10 : x
  2. Step 2: Convert to fraction form
    20,402,490.10/30,603,735.15 = 17,745,285.10/x
  3. Step 3: Cross multiply
    20,402,490.10x = 30,603,735.15 × 17,745,285.10
  4. Step 4: Simplify right side
    20,402,490.10x = 543,072,005,361,641.31
  5. Step 5: Solve for x
    x = 543,072,005,361,641.31/20,402,490.10
  6. Step 6: Final answer
    x = 26,617,927.65

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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.