Home / 8,490,681.90-12,741,244.38-3,372,216.30

Finding the Fourth Proportional to 8,490,681.90, 12,741,244.38 and 3,372,216.30

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Solution

The fourth proportional to 8,490,681.90, 12,741,244.38 and 3,372,216.30 is: 5,060,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490,681.90 : 12,741,244.38 = 3,372,216.30 : x
  2. Step 2: Convert to fraction form
    8,490,681.90/12,741,244.38 = 3,372,216.30/x
  3. Step 3: Cross multiply
    8,490,681.90x = 12,741,244.38 × 3,372,216.30
  4. Step 4: Simplify right side
    8,490,681.90x = 42,966,231,980,519.39
  5. Step 5: Solve for x
    x = 42,966,231,980,519.39/8,490,681.90
  6. Step 6: Final answer
    x = 5,060,398.27

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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.