Home / 6,663,187.14-9,195,259.08-3,909,920.45

Finding the Fourth Proportional to 6,663,187.14, 9,195,259.08 and 3,909,920.45

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Solution

The fourth proportional to 6,663,187.14, 9,195,259.08 and 3,909,920.45 is: 5,395,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663,187.14 : 9,195,259.08 = 3,909,920.45 : x
  2. Step 2: Convert to fraction form
    6,663,187.14/9,195,259.08 = 3,909,920.45/x
  3. Step 3: Cross multiply
    6,663,187.14x = 9,195,259.08 × 3,909,920.45
  4. Step 4: Simplify right side
    6,663,187.14x = 35,952,731,488,626.09
  5. Step 5: Solve for x
    x = 35,952,731,488,626.09/6,663,187.14
  6. Step 6: Final answer
    x = 5,395,725.91

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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.