Home / 12,671,146.55-17,486,551.04-7,164,403.11

Finding the Fourth Proportional to 12,671,146.55, 17,486,551.04 and 7,164,403.11

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Solution

The fourth proportional to 12,671,146.55, 17,486,551.04 and 7,164,403.11 is: 9,887,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,146.55 : 17,486,551.04 = 7,164,403.11 : x
  2. Step 2: Convert to fraction form
    12,671,146.55/17,486,551.04 = 7,164,403.11/x
  3. Step 3: Cross multiply
    12,671,146.55x = 17,486,551.04 × 7,164,403.11
  4. Step 4: Simplify right side
    12,671,146.55x = 125,280,700,618,327.72
  5. Step 5: Solve for x
    x = 125,280,700,618,327.72/12,671,146.55
  6. Step 6: Final answer
    x = 9,887,084.82

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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.