Home / 10,360,939.20-15,541,408.80-9,697,387.20

Finding the Fourth Proportional to 10,360,939.20, 15,541,408.80 and 9,697,387.20

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Solution

The fourth proportional to 10,360,939.20, 15,541,408.80 and 9,697,387.20 is: 14,546,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360,939.20 : 15,541,408.80 = 9,697,387.20 : x
  2. Step 2: Convert to fraction form
    10,360,939.20/15,541,408.80 = 9,697,387.20/x
  3. Step 3: Cross multiply
    10,360,939.20x = 15,541,408.80 × 9,697,387.20
  4. Step 4: Simplify right side
    10,360,939.20x = 150,711,058,767,087.34
  5. Step 5: Solve for x
    x = 150,711,058,767,087.34/10,360,939.20
  6. Step 6: Final answer
    x = 14,546,080.80

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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.