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Finding the Fourth Proportional to 22,681,478.40, 33,966,230.40 and 15,067,219.20

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Solution

The fourth proportional to 22,681,478.40, 33,966,230.40 and 15,067,219.20 is: 22,563,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681,478.40 : 33,966,230.40 = 15,067,219.20 : x
  2. Step 2: Convert to fraction form
    22,681,478.40/33,966,230.40 = 15,067,219.20/x
  3. Step 3: Cross multiply
    22,681,478.40x = 33,966,230.40 × 15,067,219.20
  4. Step 4: Simplify right side
    22,681,478.40x = 511,776,638,834,503.62
  5. Step 5: Solve for x
    x = 511,776,638,834,503.62/22,681,478.40
  6. Step 6: Final answer
    x = 22,563,636.72

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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.