Home / 8,389,412.64-12,576,146.04-5,348,243.28

Finding the Fourth Proportional to 8,389,412.64, 12,576,146.04 and 5,348,243.28

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Solution

The fourth proportional to 8,389,412.64, 12,576,146.04 and 5,348,243.28 is: 8,017,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,412.64 : 12,576,146.04 = 5,348,243.28 : x
  2. Step 2: Convert to fraction form
    8,389,412.64/12,576,146.04 = 5,348,243.28/x
  3. Step 3: Cross multiply
    8,389,412.64x = 12,576,146.04 × 5,348,243.28
  4. Step 4: Simplify right side
    8,389,412.64x = 67,260,288,546,728.61
  5. Step 5: Solve for x
    x = 67,260,288,546,728.61/8,389,412.64
  6. Step 6: Final answer
    x = 8,017,282.19

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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.