Home / 12,974,092-17,904,620.68-7,173,248.20

Finding the Fourth Proportional to 12,974,092, 17,904,620.68 and 7,173,248.20

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Solution

The fourth proportional to 12,974,092, 17,904,620.68 and 7,173,248.20 is: 9,899,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,092 : 17,904,620.68 = 7,173,248.20 : x
  2. Step 2: Convert to fraction form
    12,974,092/17,904,620.68 = 7,173,248.20/x
  3. Step 3: Cross multiply
    12,974,092x = 17,904,620.68 × 7,173,248.20
  4. Step 4: Simplify right side
    12,974,092x = 128,434,288,064,492.78
  5. Step 5: Solve for x
    x = 128,434,288,064,492.78/12,974,092
  6. Step 6: Final answer
    x = 9,899,289.14

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1.5x scale

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.