Home / 8,729,717.76-12,047,616-5,292,103.68

Finding the Fourth Proportional to 8,729,717.76, 12,047,616 and 5,292,103.68

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Solution

The fourth proportional to 8,729,717.76, 12,047,616 and 5,292,103.68 is: 7,303,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,717.76 : 12,047,616 = 5,292,103.68 : x
  2. Step 2: Convert to fraction form
    8,729,717.76/12,047,616 = 5,292,103.68/x
  3. Step 3: Cross multiply
    8,729,717.76x = 12,047,616 × 5,292,103.68
  4. Step 4: Simplify right side
    8,729,717.76x = 63,757,232,968,826.88
  5. Step 5: Solve for x
    x = 63,757,232,968,826.88/8,729,717.76
  6. Step 6: Final answer
    x = 7,303,470.14

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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.