Home / 10,423,721.85-15,613,586.54-8,363,226.72

Finding the Fourth Proportional to 10,423,721.85, 15,613,586.54 and 8,363,226.72

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Solution

The fourth proportional to 10,423,721.85, 15,613,586.54 and 8,363,226.72 is: 12,527,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423,721.85 : 15,613,586.54 = 8,363,226.72 : x
  2. Step 2: Convert to fraction form
    10,423,721.85/15,613,586.54 = 8,363,226.72/x
  3. Step 3: Cross multiply
    10,423,721.85x = 15,613,586.54 × 8,363,226.72
  4. Step 4: Simplify right side
    10,423,721.85x = 130,579,964,146,360.34
  5. Step 5: Solve for x
    x = 130,579,964,146,360.34/10,423,721.85
  6. Step 6: Final answer
    x = 12,527,191.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.