Home / 8,832,321.36-12,186,475.20-5,159,152.80

Finding the Fourth Proportional to 8,832,321.36, 12,186,475.20 and 5,159,152.80

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Solution

The fourth proportional to 8,832,321.36, 12,186,475.20 and 5,159,152.80 is: 7,118,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832,321.36 : 12,186,475.20 = 5,159,152.80 : x
  2. Step 2: Convert to fraction form
    8,832,321.36/12,186,475.20 = 5,159,152.80/x
  3. Step 3: Cross multiply
    8,832,321.36x = 12,186,475.20 × 5,159,152.80
  4. Step 4: Simplify right side
    8,832,321.36x = 62,871,887,650,210.55
  5. Step 5: Solve for x
    x = 62,871,887,650,210.55/8,832,321.36
  6. Step 6: Final answer
    x = 7,118,387.69

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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.