Home / 12,974,103.22-17,904,636.20-7,173,259.46

Finding the Fourth Proportional to 12,974,103.22, 17,904,636.20 and 7,173,259.46

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Solution

The fourth proportional to 12,974,103.22, 17,904,636.20 and 7,173,259.46 is: 9,899,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,103.22 : 17,904,636.20 = 7,173,259.46 : x
  2. Step 2: Convert to fraction form
    12,974,103.22/17,904,636.20 = 7,173,259.46/x
  3. Step 3: Cross multiply
    12,974,103.22x = 17,904,636.20 × 7,173,259.46
  4. Step 4: Simplify right side
    12,974,103.22x = 128,434,600,963,642.16
  5. Step 5: Solve for x
    x = 128,434,600,963,642.16/12,974,103.22
  6. Step 6: Final answer
    x = 9,899,304.70

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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.