Home / 8,220,370.69-11,344,133.09-4,549,540.41

Finding the Fourth Proportional to 8,220,370.69, 11,344,133.09 and 4,549,540.41

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Solution

The fourth proportional to 8,220,370.69, 11,344,133.09 and 4,549,540.41 is: 6,278,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,370.69 : 11,344,133.09 = 4,549,540.41 : x
  2. Step 2: Convert to fraction form
    8,220,370.69/11,344,133.09 = 4,549,540.41/x
  3. Step 3: Cross multiply
    8,220,370.69x = 11,344,133.09 × 4,549,540.41
  4. Step 4: Simplify right side
    8,220,370.69x = 51,610,591,909,373.16
  5. Step 5: Solve for x
    x = 51,610,591,909,373.16/8,220,370.69
  6. Step 6: Final answer
    x = 6,278,377.69

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Double scale
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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.