Home / 15,996,853.20-23,995,279.80-7,021,405.20

Finding the Fourth Proportional to 15,996,853.20, 23,995,279.80 and 7,021,405.20

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Solution

The fourth proportional to 15,996,853.20, 23,995,279.80 and 7,021,405.20 is: 10,532,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996,853.20 : 23,995,279.80 = 7,021,405.20 : x
  2. Step 2: Convert to fraction form
    15,996,853.20/23,995,279.80 = 7,021,405.20/x
  3. Step 3: Cross multiply
    15,996,853.20x = 23,995,279.80 × 7,021,405.20
  4. Step 4: Simplify right side
    15,996,853.20x = 168,480,582,363,174.97
  5. Step 5: Solve for x
    x = 168,480,582,363,174.97/15,996,853.20
  6. Step 6: Final answer
    x = 10,532,107.80

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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.