Home / 9,121,422.67-12,587,564.55-4,991,454.70

Finding the Fourth Proportional to 9,121,422.67, 12,587,564.55 and 4,991,454.70

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Solution

The fourth proportional to 9,121,422.67, 12,587,564.55 and 4,991,454.70 is: 6,888,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,422.67 : 12,587,564.55 = 4,991,454.70 : x
  2. Step 2: Convert to fraction form
    9,121,422.67/12,587,564.55 = 4,991,454.70/x
  3. Step 3: Cross multiply
    9,121,422.67x = 12,587,564.55 × 4,991,454.70
  4. Step 4: Simplify right side
    9,121,422.67x = 62,830,258,234,650.89
  5. Step 5: Solve for x
    x = 62,830,258,234,650.89/9,121,422.67
  6. Step 6: Final answer
    x = 6,888,208.18

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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.