Home / 20,160,565.70-30,240,848.55-7,381,487.30

Finding the Fourth Proportional to 20,160,565.70, 30,240,848.55 and 7,381,487.30

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Solution

The fourth proportional to 20,160,565.70, 30,240,848.55 and 7,381,487.30 is: 11,072,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,565.70 : 30,240,848.55 = 7,381,487.30 : x
  2. Step 2: Convert to fraction form
    20,160,565.70/30,240,848.55 = 7,381,487.30/x
  3. Step 3: Cross multiply
    20,160,565.70x = 30,240,848.55 × 7,381,487.30
  4. Step 4: Simplify right side
    20,160,565.70x = 223,222,439,513,048.41
  5. Step 5: Solve for x
    x = 223,222,439,513,048.41/20,160,565.70
  6. Step 6: Final answer
    x = 11,072,230.95

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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.