Home / 42,587,891.73-63,881,830.31-13,462,176.58

Finding the Fourth Proportional to 42,587,891.73, 63,881,830.31 and 13,462,176.58

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Solution

The fourth proportional to 42,587,891.73, 63,881,830.31 and 13,462,176.58 is: 20,193,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,587,891.73 : 63,881,830.31 = 13,462,176.58 : x
  2. Step 2: Convert to fraction form
    42,587,891.73/63,881,830.31 = 13,462,176.58/x
  3. Step 3: Cross multiply
    42,587,891.73x = 63,881,830.31 × 13,462,176.58
  4. Step 4: Simplify right side
    42,587,891.73x = 859,988,479,659,800.75
  5. Step 5: Solve for x
    x = 859,988,479,659,800.75/42,587,891.73
  6. Step 6: Final answer
    x = 20,193,262.56

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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.