Home / 21,970,242.84-32,932,295.14-7,392,101.55

Finding the Fourth Proportional to 21,970,242.84, 32,932,295.14 and 7,392,101.55

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Solution

The fourth proportional to 21,970,242.84, 32,932,295.14 and 7,392,101.55 is: 11,080,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,970,242.84 : 32,932,295.14 = 7,392,101.55 : x
  2. Step 2: Convert to fraction form
    21,970,242.84/32,932,295.14 = 7,392,101.55/x
  3. Step 3: Cross multiply
    21,970,242.84x = 32,932,295.14 × 7,392,101.55
  4. Step 4: Simplify right side
    21,970,242.84x = 243,438,869,949,451.47
  5. Step 5: Solve for x
    x = 243,438,869,949,451.47/21,970,242.84
  6. Step 6: Final answer
    x = 11,080,390.50

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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.