Home / 13,687,822.60-18,887,218.14-7,576,236.52

Finding the Fourth Proportional to 13,687,822.60, 18,887,218.14 and 7,576,236.52

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Solution

The fourth proportional to 13,687,822.60, 18,887,218.14 and 7,576,236.52 is: 10,454,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,822.60 : 18,887,218.14 = 7,576,236.52 : x
  2. Step 2: Convert to fraction form
    13,687,822.60/18,887,218.14 = 7,576,236.52/x
  3. Step 3: Cross multiply
    13,687,822.60x = 18,887,218.14 × 7,576,236.52
  4. Step 4: Simplify right side
    13,687,822.60x = 143,094,031,833,474.47
  5. Step 5: Solve for x
    x = 143,094,031,833,474.47/13,687,822.60
  6. Step 6: Final answer
    x = 10,454,112.10

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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.