Home / 12,974,095.22-17,904,625.16-7,173,251.46

Finding the Fourth Proportional to 12,974,095.22, 17,904,625.16 and 7,173,251.46

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Solution

The fourth proportional to 12,974,095.22, 17,904,625.16 and 7,173,251.46 is: 9,899,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,095.22 : 17,904,625.16 = 7,173,251.46 : x
  2. Step 2: Convert to fraction form
    12,974,095.22/17,904,625.16 = 7,173,251.46/x
  3. Step 3: Cross multiply
    12,974,095.22x = 17,904,625.16 × 7,173,251.46
  4. Step 4: Simplify right side
    12,974,095.22x = 128,434,378,533,856.48
  5. Step 5: Solve for x
    x = 128,434,378,533,856.48/12,974,095.22
  6. Step 6: Final answer
    x = 9,899,293.66

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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.