Home / 21,440,705.76-32,167,061.87-8,670,178.53

Finding the Fourth Proportional to 21,440,705.76, 32,167,061.87 and 8,670,178.53

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Solution

The fourth proportional to 21,440,705.76, 32,167,061.87 and 8,670,178.53 is: 13,007,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440,705.76 : 32,167,061.87 = 8,670,178.53 : x
  2. Step 2: Convert to fraction form
    21,440,705.76/32,167,061.87 = 8,670,178.53/x
  3. Step 3: Cross multiply
    21,440,705.76x = 32,167,061.87 × 8,670,178.53
  4. Step 4: Simplify right side
    21,440,705.76x = 278,894,169,155,104.72
  5. Step 5: Solve for x
    x = 278,894,169,155,104.72/21,440,705.76
  6. Step 6: Final answer
    x = 13,007,695.38

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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.