Home / 10,161,891.05-14,023,423.85-5,515,677.14

Finding the Fourth Proportional to 10,161,891.05, 14,023,423.85 and 5,515,677.14

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Solution

The fourth proportional to 10,161,891.05, 14,023,423.85 and 5,515,677.14 is: 7,611,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161,891.05 : 14,023,423.85 = 5,515,677.14 : x
  2. Step 2: Convert to fraction form
    10,161,891.05/14,023,423.85 = 5,515,677.14/x
  3. Step 3: Cross multiply
    10,161,891.05x = 14,023,423.85 × 5,515,677.14
  4. Step 4: Simplify right side
    10,161,891.05x = 77,348,678,256,280.28
  5. Step 5: Solve for x
    x = 77,348,678,256,280.28/10,161,891.05
  6. Step 6: Final answer
    x = 7,611,642.16

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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.