Home / 13,660,581.02-18,853,934.03-8,154,239.90

Finding the Fourth Proportional to 13,660,581.02, 18,853,934.03 and 8,154,239.90

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Solution

The fourth proportional to 13,660,581.02, 18,853,934.03 and 8,154,239.90 is: 11,254,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660,581.02 : 18,853,934.03 = 8,154,239.90 : x
  2. Step 2: Convert to fraction form
    13,660,581.02/18,853,934.03 = 8,154,239.90/x
  3. Step 3: Cross multiply
    13,660,581.02x = 18,853,934.03 × 8,154,239.90
  4. Step 4: Simplify right side
    13,660,581.02x = 153,739,501,145,757.41
  5. Step 5: Solve for x
    x = 153,739,501,145,757.41/13,660,581.02
  6. Step 6: Final answer
    x = 11,254,243.20

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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.