Home / 15,841,228.95-21,857,149.19-8,965,711.01

Finding the Fourth Proportional to 15,841,228.95, 21,857,149.19 and 8,965,711.01

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Solution

The fourth proportional to 15,841,228.95, 21,857,149.19 and 8,965,711.01 is: 12,370,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841,228.95 : 21,857,149.19 = 8,965,711.01 : x
  2. Step 2: Convert to fraction form
    15,841,228.95/21,857,149.19 = 8,965,711.01/x
  3. Step 3: Cross multiply
    15,841,228.95x = 21,857,149.19 × 8,965,711.01
  4. Step 4: Simplify right side
    15,841,228.95x = 195,964,882,985,881.28
  5. Step 5: Solve for x
    x = 195,964,882,985,881.28/15,841,228.95
  6. Step 6: Final answer
    x = 12,370,560.62

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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.