Home / 28,691,359.31-39,594,101.37-15,638,356.73

Finding the Fourth Proportional to 28,691,359.31, 39,594,101.37 and 15,638,356.73

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Solution

The fourth proportional to 28,691,359.31, 39,594,101.37 and 15,638,356.73 is: 21,580,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691,359.31 : 39,594,101.37 = 15,638,356.73 : x
  2. Step 2: Convert to fraction form
    28,691,359.31/39,594,101.37 = 15,638,356.73/x
  3. Step 3: Cross multiply
    28,691,359.31x = 39,594,101.37 × 15,638,356.73
  4. Step 4: Simplify right side
    28,691,359.31x = 619,186,681,668,183.12
  5. Step 5: Solve for x
    x = 619,186,681,668,183.12/28,691,359.31
  6. Step 6: Final answer
    x = 21,580,946.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.