Home / 28,213,730.84-38,935,375.17-15,826,570.13

Finding the Fourth Proportional to 28,213,730.84, 38,935,375.17 and 15,826,570.13

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Solution

The fourth proportional to 28,213,730.84, 38,935,375.17 and 15,826,570.13 is: 21,840,906.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213,730.84 : 38,935,375.17 = 15,826,570.13 : x
  2. Step 2: Convert to fraction form
    28,213,730.84/38,935,375.17 = 15,826,570.13/x
  3. Step 3: Cross multiply
    28,213,730.84x = 38,935,375.17 × 15,826,570.13
  4. Step 4: Simplify right side
    28,213,730.84x = 616,213,445,665,865.75
  5. Step 5: Solve for x
    x = 616,213,445,665,865.75/28,213,730.84
  6. Step 6: Final answer
    x = 21,840,906.09

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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.