Home / 7,541,821.64-10,412,920.87-7,059,981.80

Finding the Fourth Proportional to 7,541,821.64, 10,412,920.87 and 7,059,981.80

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Solution

The fourth proportional to 7,541,821.64, 10,412,920.87 and 7,059,981.80 is: 9,747,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541,821.64 : 10,412,920.87 = 7,059,981.80 : x
  2. Step 2: Convert to fraction form
    7,541,821.64/10,412,920.87 = 7,059,981.80/x
  3. Step 3: Cross multiply
    7,541,821.64x = 10,412,920.87 × 7,059,981.80
  4. Step 4: Simplify right side
    7,541,821.64x = 73,515,031,827,040.16
  5. Step 5: Solve for x
    x = 73,515,031,827,040.16/7,541,821.64
  6. Step 6: Final answer
    x = 9,747,649.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.