Home / 15,397,654.60-21,253,498.50-8,875,643.32

Finding the Fourth Proportional to 15,397,654.60, 21,253,498.50 and 8,875,643.32

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Solution

The fourth proportional to 15,397,654.60, 21,253,498.50 and 8,875,643.32 is: 12,251,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397,654.60 : 21,253,498.50 = 8,875,643.32 : x
  2. Step 2: Convert to fraction form
    15,397,654.60/21,253,498.50 = 8,875,643.32/x
  3. Step 3: Cross multiply
    15,397,654.60x = 21,253,498.50 × 8,875,643.32
  4. Step 4: Simplify right side
    15,397,654.60x = 188,638,471,988,155.03
  5. Step 5: Solve for x
    x = 188,638,471,988,155.03/15,397,654.60
  6. Step 6: Final answer
    x = 12,251,117.26

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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.