Home / 21,984,140.80-32,976,211.20-10,646,732.80

Finding the Fourth Proportional to 21,984,140.80, 32,976,211.20 and 10,646,732.80

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Solution

The fourth proportional to 21,984,140.80, 32,976,211.20 and 10,646,732.80 is: 15,970,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,140.80 : 32,976,211.20 = 10,646,732.80 : x
  2. Step 2: Convert to fraction form
    21,984,140.80/32,976,211.20 = 10,646,732.80/x
  3. Step 3: Cross multiply
    21,984,140.80x = 32,976,211.20 × 10,646,732.80
  4. Step 4: Simplify right side
    21,984,140.80x = 351,088,909,402,767.38
  5. Step 5: Solve for x
    x = 351,088,909,402,767.38/21,984,140.80
  6. Step 6: Final answer
    x = 15,970,099.20

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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.