Home / 15,397,251.90-21,248,748.10-8,427,935.15

Finding the Fourth Proportional to 15,397,251.90, 21,248,748.10 and 8,427,935.15

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Solution

The fourth proportional to 15,397,251.90, 21,248,748.10 and 8,427,935.15 is: 11,630,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397,251.90 : 21,248,748.10 = 8,427,935.15 : x
  2. Step 2: Convert to fraction form
    15,397,251.90/21,248,748.10 = 8,427,935.15/x
  3. Step 3: Cross multiply
    15,397,251.90x = 21,248,748.10 × 8,427,935.15
  4. Step 4: Simplify right side
    15,397,251.90x = 179,083,071,005,485.75
  5. Step 5: Solve for x
    x = 179,083,071,005,485.75/15,397,251.90
  6. Step 6: Final answer
    x = 11,630,846.35

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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.