Home / 10,787,998.20-16,181,997.30-9,864,209.40

Finding the Fourth Proportional to 10,787,998.20, 16,181,997.30 and 9,864,209.40

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Solution

The fourth proportional to 10,787,998.20, 16,181,997.30 and 9,864,209.40 is: 14,796,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,998.20 : 16,181,997.30 = 9,864,209.40 : x
  2. Step 2: Convert to fraction form
    10,787,998.20/16,181,997.30 = 9,864,209.40/x
  3. Step 3: Cross multiply
    10,787,998.20x = 16,181,997.30 × 9,864,209.40
  4. Step 4: Simplify right side
    10,787,998.20x = 159,622,609,877,434.62
  5. Step 5: Solve for x
    x = 159,622,609,877,434.62/10,787,998.20
  6. Step 6: Final answer
    x = 14,796,314.10

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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.