Home / 12,974,080.98-17,904,605.49-7,173,237.21

Finding the Fourth Proportional to 12,974,080.98, 17,904,605.49 and 7,173,237.21

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Solution

The fourth proportional to 12,974,080.98, 17,904,605.49 and 7,173,237.21 is: 9,899,273.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,080.98 : 17,904,605.49 = 7,173,237.21 : x
  2. Step 2: Convert to fraction form
    12,974,080.98/17,904,605.49 = 7,173,237.21/x
  3. Step 3: Cross multiply
    12,974,080.98x = 17,904,605.49 × 7,173,237.21
  4. Step 4: Simplify right side
    12,974,080.98x = 128,433,982,331,238.27
  5. Step 5: Solve for x
    x = 128,433,982,331,238.27/12,974,080.98
  6. Step 6: Final answer
    x = 9,899,273.99

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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.