Home / 12,671,126.57-17,486,523.55-7,164,383.19

Finding the Fourth Proportional to 12,671,126.57, 17,486,523.55 and 7,164,383.19

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Solution

The fourth proportional to 12,671,126.57, 17,486,523.55 and 7,164,383.19 is: 9,887,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,126.57 : 17,486,523.55 = 7,164,383.19 : x
  2. Step 2: Convert to fraction form
    12,671,126.57/17,486,523.55 = 7,164,383.19/x
  3. Step 3: Cross multiply
    12,671,126.57x = 17,486,523.55 × 7,164,383.19
  4. Step 4: Simplify right side
    12,671,126.57x = 125,280,155,373,159.14
  5. Step 5: Solve for x
    x = 125,280,155,373,159.14/12,671,126.57
  6. Step 6: Final answer
    x = 9,887,057.37

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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.