Home / 15,996,871.20-23,995,306.80-7,021,423.20

Finding the Fourth Proportional to 15,996,871.20, 23,995,306.80 and 7,021,423.20

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Solution

The fourth proportional to 15,996,871.20, 23,995,306.80 and 7,021,423.20 is: 10,532,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996,871.20 : 23,995,306.80 = 7,021,423.20 : x
  2. Step 2: Convert to fraction form
    15,996,871.20/23,995,306.80 = 7,021,423.20/x
  3. Step 3: Cross multiply
    15,996,871.20x = 23,995,306.80 × 7,021,423.20
  4. Step 4: Simplify right side
    15,996,871.20x = 168,481,203,856,637.78
  5. Step 5: Solve for x
    x = 168,481,203,856,637.78/15,996,871.20
  6. Step 6: Final answer
    x = 10,532,134.80

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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.