Home / 7,541,820.64-10,412,919.49-7,059,980.80

Finding the Fourth Proportional to 7,541,820.64, 10,412,919.49 and 7,059,980.80

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Solution

The fourth proportional to 7,541,820.64, 10,412,919.49 and 7,059,980.80 is: 9,747,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541,820.64 : 10,412,919.49 = 7,059,980.80 : x
  2. Step 2: Convert to fraction form
    7,541,820.64/10,412,919.49 = 7,059,980.80/x
  3. Step 3: Cross multiply
    7,541,820.64x = 10,412,919.49 × 7,059,980.80
  4. Step 4: Simplify right side
    7,541,820.64x = 73,515,011,627,663.55
  5. Step 5: Solve for x
    x = 73,515,011,627,663.55/7,541,820.64
  6. Step 6: Final answer
    x = 9,747,647.84

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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.