Home / 13,591,670.13-18,752,280.12-7,710,335.73

Finding the Fourth Proportional to 13,591,670.13, 18,752,280.12 and 7,710,335.73

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Solution

The fourth proportional to 13,591,670.13, 18,752,280.12 and 7,710,335.73 is: 10,637,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,670.13 : 18,752,280.12 = 7,710,335.73 : x
  2. Step 2: Convert to fraction form
    13,591,670.13/18,752,280.12 = 7,710,335.73/x
  3. Step 3: Cross multiply
    13,591,670.13x = 18,752,280.12 × 7,710,335.73
  4. Step 4: Simplify right side
    13,591,670.13x = 144,586,375,428,204.72
  5. Step 5: Solve for x
    x = 144,586,375,428,204.72/13,591,670.13
  6. Step 6: Final answer
    x = 10,637,866.73

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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.