Home / 25,542,978.57-35,238,252.24-15,620,295.06

Finding the Fourth Proportional to 25,542,978.57, 35,238,252.24 and 15,620,295.06

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Solution

The fourth proportional to 25,542,978.57, 35,238,252.24 and 15,620,295.06 is: 21,549,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542,978.57 : 35,238,252.24 = 15,620,295.06 : x
  2. Step 2: Convert to fraction form
    25,542,978.57/35,238,252.24 = 15,620,295.06/x
  3. Step 3: Cross multiply
    25,542,978.57x = 35,238,252.24 × 15,620,295.06
  4. Step 4: Simplify right side
    25,542,978.57x = 550,431,897,387,506
  5. Step 5: Solve for x
    x = 550,431,897,387,506/25,542,978.57
  6. Step 6: Final answer
    x = 21,549,244.77

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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.