Home / 18,038,087.47-24,892,593.84-9,778,124.20

Finding the Fourth Proportional to 18,038,087.47, 24,892,593.84 and 9,778,124.20

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Solution

The fourth proportional to 18,038,087.47, 24,892,593.84 and 9,778,124.20 is: 13,493,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038,087.47 : 24,892,593.84 = 9,778,124.20 : x
  2. Step 2: Convert to fraction form
    18,038,087.47/24,892,593.84 = 9,778,124.20/x
  3. Step 3: Cross multiply
    18,038,087.47x = 24,892,593.84 × 9,778,124.20
  4. Step 4: Simplify right side
    18,038,087.47x = 243,402,874,227,674.91
  5. Step 5: Solve for x
    x = 243,402,874,227,674.91/18,038,087.47
  6. Step 6: Final answer
    x = 13,493,829.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.