Home / 6,600,695.40-9,906,875.10-3,901,645.80

Finding the Fourth Proportional to 6,600,695.40, 9,906,875.10 and 3,901,645.80

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Solution

The fourth proportional to 6,600,695.40, 9,906,875.10 and 3,901,645.80 is: 5,855,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600,695.40 : 9,906,875.10 = 3,901,645.80 : x
  2. Step 2: Convert to fraction form
    6,600,695.40/9,906,875.10 = 3,901,645.80/x
  3. Step 3: Cross multiply
    6,600,695.40x = 9,906,875.10 × 3,901,645.80
  4. Step 4: Simplify right side
    6,600,695.40x = 38,653,117,625,039.58
  5. Step 5: Solve for x
    x = 38,653,117,625,039.58/6,600,695.40
  6. Step 6: Final answer
    x = 5,855,915.97

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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.