Home / 10,935,031.20-16,402,546.80-7,743,760.80

Finding the Fourth Proportional to 10,935,031.20, 16,402,546.80 and 7,743,760.80

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Solution

The fourth proportional to 10,935,031.20, 16,402,546.80 and 7,743,760.80 is: 11,615,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,031.20 : 16,402,546.80 = 7,743,760.80 : x
  2. Step 2: Convert to fraction form
    10,935,031.20/16,402,546.80 = 7,743,760.80/x
  3. Step 3: Cross multiply
    10,935,031.20x = 16,402,546.80 × 7,743,760.80
  4. Step 4: Simplify right side
    10,935,031.20x = 127,017,398,930,005.44
  5. Step 5: Solve for x
    x = 127,017,398,930,005.44/10,935,031.20
  6. Step 6: Final answer
    x = 11,615,641.20

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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.