Home / 10,681,781.12-16,020,935.04-3,493,206.08

Finding the Fourth Proportional to 10,681,781.12, 16,020,935.04 and 3,493,206.08

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Solution

The fourth proportional to 10,681,781.12, 16,020,935.04 and 3,493,206.08 is: 5,239,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681,781.12 : 16,020,935.04 = 3,493,206.08 : x
  2. Step 2: Convert to fraction form
    10,681,781.12/16,020,935.04 = 3,493,206.08/x
  3. Step 3: Cross multiply
    10,681,781.12x = 16,020,935.04 × 3,493,206.08
  4. Step 4: Simplify right side
    10,681,781.12x = 55,964,427,689,013.04
  5. Step 5: Solve for x
    x = 55,964,427,689,013.04/10,681,781.12
  6. Step 6: Final answer
    x = 5,239,241.20

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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.