Home / 8,191,146.80-12,294,593.40-4,152,195.20

Finding the Fourth Proportional to 8,191,146.80, 12,294,593.40 and 4,152,195.20

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Solution

The fourth proportional to 8,191,146.80, 12,294,593.40 and 4,152,195.20 is: 6,232,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,146.80 : 12,294,593.40 = 4,152,195.20 : x
  2. Step 2: Convert to fraction form
    8,191,146.80/12,294,593.40 = 4,152,195.20/x
  3. Step 3: Cross multiply
    8,191,146.80x = 12,294,593.40 × 4,152,195.20
  4. Step 4: Simplify right side
    8,191,146.80x = 51,049,551,701,431.69
  5. Step 5: Solve for x
    x = 51,049,551,701,431.69/8,191,146.80
  6. Step 6: Final answer
    x = 6,232,283.82

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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.