Home / 19,681,487.20-29,520,237.52-5,306,008.15

Finding the Fourth Proportional to 19,681,487.20, 29,520,237.52 and 5,306,008.15

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Solution

The fourth proportional to 19,681,487.20, 29,520,237.52 and 5,306,008.15 is: 7,958,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,487.20 : 29,520,237.52 = 5,306,008.15 : x
  2. Step 2: Convert to fraction form
    19,681,487.20/29,520,237.52 = 5,306,008.15/x
  3. Step 3: Cross multiply
    19,681,487.20x = 29,520,237.52 × 5,306,008.15
  4. Step 4: Simplify right side
    19,681,487.20x = 156,634,620,871,055.78
  5. Step 5: Solve for x
    x = 156,634,620,871,055.78/19,681,487.20
  6. Step 6: Final answer
    x = 7,958,474.85

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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.