Home / 19,681,487.12-29,520,237.44-5,306,008.07

Finding the Fourth Proportional to 19,681,487.12, 29,520,237.44 and 5,306,008.07

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Solution

The fourth proportional to 19,681,487.12, 29,520,237.44 and 5,306,008.07 is: 7,958,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,487.12 : 29,520,237.44 = 5,306,008.07 : x
  2. Step 2: Convert to fraction form
    19,681,487.12/29,520,237.44 = 5,306,008.07/x
  3. Step 3: Cross multiply
    19,681,487.12x = 29,520,237.44 × 5,306,008.07
  4. Step 4: Simplify right side
    19,681,487.12x = 156,634,617,910,824.91
  5. Step 5: Solve for x
    x = 156,634,617,910,824.91/19,681,487.12
  6. Step 6: Final answer
    x = 7,958,474.73

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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.