Home / 6,720,007.40-10,080,011.10-6,135,422.30

Finding the Fourth Proportional to 6,720,007.40, 10,080,011.10 and 6,135,422.30

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Solution

The fourth proportional to 6,720,007.40, 10,080,011.10 and 6,135,422.30 is: 9,203,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,007.40 : 10,080,011.10 = 6,135,422.30 : x
  2. Step 2: Convert to fraction form
    6,720,007.40/10,080,011.10 = 6,135,422.30/x
  3. Step 3: Cross multiply
    6,720,007.40x = 10,080,011.10 × 6,135,422.30
  4. Step 4: Simplify right side
    6,720,007.40x = 61,845,124,887,187.52
  5. Step 5: Solve for x
    x = 61,845,124,887,187.52/6,720,007.40
  6. Step 6: Final answer
    x = 9,203,133.45

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Similar ratio
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1.5x scale

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.