Home / 8,853,761.80-13,280,642.70-7,258,126.60

Finding the Fourth Proportional to 8,853,761.80, 13,280,642.70 and 7,258,126.60

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Solution

The fourth proportional to 8,853,761.80, 13,280,642.70 and 7,258,126.60 is: 10,887,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853,761.80 : 13,280,642.70 = 7,258,126.60 : x
  2. Step 2: Convert to fraction form
    8,853,761.80/13,280,642.70 = 7,258,126.60/x
  3. Step 3: Cross multiply
    8,853,761.80x = 13,280,642.70 × 7,258,126.60
  4. Step 4: Simplify right side
    8,853,761.80x = 96,392,586,045,965.81
  5. Step 5: Solve for x
    x = 96,392,586,045,965.81/8,853,761.80
  6. Step 6: Final answer
    x = 10,887,189.90

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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.