Home / 28,541,465.11-39,387,247.14-15,488,724.16

Finding the Fourth Proportional to 28,541,465.11, 39,387,247.14 and 15,488,724.16

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Solution

The fourth proportional to 28,541,465.11, 39,387,247.14 and 15,488,724.16 is: 21,374,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,465.11 : 39,387,247.14 = 15,488,724.16 : x
  2. Step 2: Convert to fraction form
    28,541,465.11/39,387,247.14 = 15,488,724.16/x
  3. Step 3: Cross multiply
    28,541,465.11x = 39,387,247.14 × 15,488,724.16
  4. Step 4: Simplify right side
    28,541,465.11x = 610,058,206,373,208.88
  5. Step 5: Solve for x
    x = 610,058,206,373,208.88/28,541,465.11
  6. Step 6: Final answer
    x = 21,374,453.06

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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.