Home / 12,671,140.53-17,486,542.74-7,164,397.10

Finding the Fourth Proportional to 12,671,140.53, 17,486,542.74 and 7,164,397.10

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Solution

The fourth proportional to 12,671,140.53, 17,486,542.74 and 7,164,397.10 is: 9,887,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,140.53 : 17,486,542.74 = 7,164,397.10 : x
  2. Step 2: Convert to fraction form
    12,671,140.53/17,486,542.74 = 7,164,397.10/x
  3. Step 3: Cross multiply
    12,671,140.53x = 17,486,542.74 × 7,164,397.10
  4. Step 4: Simplify right side
    12,671,140.53x = 125,280,536,067,703.08
  5. Step 5: Solve for x
    x = 125,280,536,067,703.08/12,671,140.53
  6. Step 6: Final answer
    x = 9,887,076.52

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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.