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Finding the Fourth Proportional to 22,522,978.40, 33,771,870.48 and 7,375,641.44

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Solution

The fourth proportional to 22,522,978.40, 33,771,870.48 and 7,375,641.44 is: 11,059,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,522,978.40 : 33,771,870.48 = 7,375,641.44 : x
  2. Step 2: Convert to fraction form
    22,522,978.40/33,771,870.48 = 7,375,641.44/x
  3. Step 3: Cross multiply
    22,522,978.40x = 33,771,870.48 × 7,375,641.44
  4. Step 4: Simplify right side
    22,522,978.40x = 249,089,207,418,600.69
  5. Step 5: Solve for x
    x = 249,089,207,418,600.69/22,522,978.40
  6. Step 6: Final answer
    x = 11,059,336.96

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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.