Home / 10,443,461.79-15,661,645.14-3,618,442.02

Finding the Fourth Proportional to 10,443,461.79, 15,661,645.14 and 3,618,442.02

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Solution

The fourth proportional to 10,443,461.79, 15,661,645.14 and 3,618,442.02 is: 5,426,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443,461.79 : 15,661,645.14 = 3,618,442.02 : x
  2. Step 2: Convert to fraction form
    10,443,461.79/15,661,645.14 = 3,618,442.02/x
  3. Step 3: Cross multiply
    10,443,461.79x = 15,661,645.14 × 3,618,442.02
  4. Step 4: Simplify right side
    10,443,461.79x = 56,670,754,949,205.12
  5. Step 5: Solve for x
    x = 56,670,754,949,205.12/10,443,461.79
  6. Step 6: Final answer
    x = 5,426,433.88

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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.