Home / 20,632,020.20-28,472,482.02-11,340,448.89

Finding the Fourth Proportional to 20,632,020.20, 28,472,482.02 and 11,340,448.89

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Solution

The fourth proportional to 20,632,020.20, 28,472,482.02 and 11,340,448.89 is: 15,649,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632,020.20 : 28,472,482.02 = 11,340,448.89 : x
  2. Step 2: Convert to fraction form
    20,632,020.20/28,472,482.02 = 11,340,448.89/x
  3. Step 3: Cross multiply
    20,632,020.20x = 28,472,482.02 × 11,340,448.89
  4. Step 4: Simplify right side
    20,632,020.20x = 322,890,727,215,166.56
  5. Step 5: Solve for x
    x = 322,890,727,215,166.56/20,632,020.20
  6. Step 6: Final answer
    x = 15,649,981.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.