Home / 13,338,748.76-18,407,485.42-7,227,177.26

Finding the Fourth Proportional to 13,338,748.76, 18,407,485.42 and 7,227,177.26

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Solution

The fourth proportional to 13,338,748.76, 18,407,485.42 and 7,227,177.26 is: 9,973,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,748.76 : 18,407,485.42 = 7,227,177.26 : x
  2. Step 2: Convert to fraction form
    13,338,748.76/18,407,485.42 = 7,227,177.26/x
  3. Step 3: Cross multiply
    13,338,748.76x = 18,407,485.42 × 7,227,177.26
  4. Step 4: Simplify right side
    13,338,748.76x = 133,034,160,041,205.56
  5. Step 5: Solve for x
    x = 133,034,160,041,205.56/13,338,748.76
  6. Step 6: Final answer
    x = 9,973,511.19

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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.