Home / 8,729,801.76-12,047,731.92-5,292,187.68

Finding the Fourth Proportional to 8,729,801.76, 12,047,731.92 and 5,292,187.68

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Solution

The fourth proportional to 8,729,801.76, 12,047,731.92 and 5,292,187.68 is: 7,303,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,801.76 : 12,047,731.92 = 5,292,187.68 : x
  2. Step 2: Convert to fraction form
    8,729,801.76/12,047,731.92 = 5,292,187.68/x
  3. Step 3: Cross multiply
    8,729,801.76x = 12,047,731.92 × 5,292,187.68
  4. Step 4: Simplify right side
    8,729,801.76x = 63,758,858,438,966.74
  5. Step 5: Solve for x
    x = 63,758,858,438,966.74/8,729,801.76
  6. Step 6: Final answer
    x = 7,303,586.06

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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.