Home / 13,431,323.81-18,538,218.50-8,535,591.27

Finding the Fourth Proportional to 13,431,323.81, 18,538,218.50 and 8,535,591.27

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Solution

The fourth proportional to 13,431,323.81, 18,538,218.50 and 8,535,591.27 is: 11,781,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,323.81 : 18,538,218.50 = 8,535,591.27 : x
  2. Step 2: Convert to fraction form
    13,431,323.81/18,538,218.50 = 8,535,591.27/x
  3. Step 3: Cross multiply
    13,431,323.81x = 18,538,218.50 × 8,535,591.27
  4. Step 4: Simplify right side
    13,431,323.81x = 158,234,655,947,274.53
  5. Step 5: Solve for x
    x = 158,234,655,947,274.53/13,431,323.81
  6. Step 6: Final answer
    x = 11,781,017.13

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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.