Home / 6,720,007.90-10,080,011.85-6,135,422.80

Finding the Fourth Proportional to 6,720,007.90, 10,080,011.85 and 6,135,422.80

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Solution

The fourth proportional to 6,720,007.90, 10,080,011.85 and 6,135,422.80 is: 9,203,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,007.90 : 10,080,011.85 = 6,135,422.80 : x
  2. Step 2: Convert to fraction form
    6,720,007.90/10,080,011.85 = 6,135,422.80/x
  3. Step 3: Cross multiply
    6,720,007.90x = 10,080,011.85 × 6,135,422.80
  4. Step 4: Simplify right side
    6,720,007.90x = 61,845,134,528,760.18
  5. Step 5: Solve for x
    x = 61,845,134,528,760.18/6,720,007.90
  6. Step 6: Final answer
    x = 9,203,134.20

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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.