Home / 21,852,817.20-32,752,981.80-9,066,740.40

Finding the Fourth Proportional to 21,852,817.20, 32,752,981.80 and 9,066,740.40

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Solution

The fourth proportional to 21,852,817.20, 32,752,981.80 and 9,066,740.40 is: 13,589,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852,817.20 : 32,752,981.80 = 9,066,740.40 : x
  2. Step 2: Convert to fraction form
    21,852,817.20/32,752,981.80 = 9,066,740.40/x
  3. Step 3: Cross multiply
    21,852,817.20x = 32,752,981.80 × 9,066,740.40
  4. Step 4: Simplify right side
    21,852,817.20x = 296,962,783,306,524.75
  5. Step 5: Solve for x
    x = 296,962,783,306,524.75/21,852,817.20
  6. Step 6: Final answer
    x = 13,589,221.96

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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.