Home / 12,096,278.20-18,144,417.30-5,377,814.20

Finding the Fourth Proportional to 12,096,278.20, 18,144,417.30 and 5,377,814.20

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Solution

The fourth proportional to 12,096,278.20, 18,144,417.30 and 5,377,814.20 is: 8,066,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,278.20 : 18,144,417.30 = 5,377,814.20 : x
  2. Step 2: Convert to fraction form
    12,096,278.20/18,144,417.30 = 5,377,814.20/x
  3. Step 3: Cross multiply
    12,096,278.20x = 18,144,417.30 × 5,377,814.20
  4. Step 4: Simplify right side
    12,096,278.20x = 97,577,305,006,665.67
  5. Step 5: Solve for x
    x = 97,577,305,006,665.67/12,096,278.20
  6. Step 6: Final answer
    x = 8,066,721.30

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Double scale
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1.5x scale

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.