Home / 42,170,417.20-63,213,635.40-19,411,620.40

Finding the Fourth Proportional to 42,170,417.20, 63,213,635.40 and 19,411,620.40

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Solution

The fourth proportional to 42,170,417.20, 63,213,635.40 and 19,411,620.40 is: 29,098,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170,417.20 : 63,213,635.40 = 19,411,620.40 : x
  2. Step 2: Convert to fraction form
    42,170,417.20/63,213,635.40 = 19,411,620.40/x
  3. Step 3: Cross multiply
    42,170,417.20x = 63,213,635.40 × 19,411,620.40
  4. Step 4: Simplify right side
    42,170,417.20x = 1,227,079,094,488,802
  5. Step 5: Solve for x
    x = 1,227,079,094,488,802/42,170,417.20
  6. Step 6: Final answer
    x = 29,098,101.84

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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.