Home / 13,418,419.70-20,127,629.55-11,292,655.70

Finding the Fourth Proportional to 13,418,419.70, 20,127,629.55 and 11,292,655.70

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Solution

The fourth proportional to 13,418,419.70, 20,127,629.55 and 11,292,655.70 is: 16,938,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,419.70 : 20,127,629.55 = 11,292,655.70 : x
  2. Step 2: Convert to fraction form
    13,418,419.70/20,127,629.55 = 11,292,655.70/x
  3. Step 3: Cross multiply
    13,418,419.70x = 20,127,629.55 × 11,292,655.70
  4. Step 4: Simplify right side
    13,418,419.70x = 227,294,390,565,295.94
  5. Step 5: Solve for x
    x = 227,294,390,565,295.94/13,418,419.70
  6. Step 6: Final answer
    x = 16,938,983.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.