Home / 15,771,986.20-23,657,979.30-8,945,921.80

Finding the Fourth Proportional to 15,771,986.20, 23,657,979.30 and 8,945,921.80

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Solution

The fourth proportional to 15,771,986.20, 23,657,979.30 and 8,945,921.80 is: 13,418,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771,986.20 : 23,657,979.30 = 8,945,921.80 : x
  2. Step 2: Convert to fraction form
    15,771,986.20/23,657,979.30 = 8,945,921.80/x
  3. Step 3: Cross multiply
    15,771,986.20x = 23,657,979.30 × 8,945,921.80
  4. Step 4: Simplify right side
    15,771,986.20x = 211,642,432,763,818.75
  5. Step 5: Solve for x
    x = 211,642,432,763,818.75/15,771,986.20
  6. Step 6: Final answer
    x = 13,418,882.70

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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.