Home / 13,672,215.76-20,502,011.28-5,034,146.80

Finding the Fourth Proportional to 13,672,215.76, 20,502,011.28 and 5,034,146.80

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Solution

The fourth proportional to 13,672,215.76, 20,502,011.28 and 5,034,146.80 is: 7,548,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672,215.76 : 20,502,011.28 = 5,034,146.80 : x
  2. Step 2: Convert to fraction form
    13,672,215.76/20,502,011.28 = 5,034,146.80/x
  3. Step 3: Cross multiply
    13,672,215.76x = 20,502,011.28 × 5,034,146.80
  4. Step 4: Simplify right side
    13,672,215.76x = 103,210,134,478,775.91
  5. Step 5: Solve for x
    x = 103,210,134,478,775.91/13,672,215.76
  6. Step 6: Final answer
    x = 7,548,895.97

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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.