Home / 42,497,580.70-63,746,371.05-13,746,622.60

Finding the Fourth Proportional to 42,497,580.70, 63,746,371.05 and 13,746,622.60

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Solution

The fourth proportional to 42,497,580.70, 63,746,371.05 and 13,746,622.60 is: 20,619,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497,580.70 : 63,746,371.05 = 13,746,622.60 : x
  2. Step 2: Convert to fraction form
    42,497,580.70/63,746,371.05 = 13,746,622.60/x
  3. Step 3: Cross multiply
    42,497,580.70x = 63,746,371.05 × 13,746,622.60
  4. Step 4: Simplify right side
    42,497,580.70x = 876,297,304,943,915.62
  5. Step 5: Solve for x
    x = 876,297,304,943,915.62/42,497,580.70
  6. Step 6: Final answer
    x = 20,619,933.90

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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.