Home / 20,735,998.40-31,103,997.60-9,398,590.40

Finding the Fourth Proportional to 20,735,998.40, 31,103,997.60 and 9,398,590.40

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Solution

The fourth proportional to 20,735,998.40, 31,103,997.60 and 9,398,590.40 is: 14,097,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,998.40 : 31,103,997.60 = 9,398,590.40 : x
  2. Step 2: Convert to fraction form
    20,735,998.40/31,103,997.60 = 9,398,590.40/x
  3. Step 3: Cross multiply
    20,735,998.40x = 31,103,997.60 × 9,398,590.40
  4. Step 4: Simplify right side
    20,735,998.40x = 292,333,733,244,983.06
  5. Step 5: Solve for x
    x = 292,333,733,244,983.06/20,735,998.40
  6. Step 6: Final answer
    x = 14,097,885.60

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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.