Home / 8,868,741.60-13,303,112.40-7,876,718.40

Finding the Fourth Proportional to 8,868,741.60, 13,303,112.40 and 7,876,718.40

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Solution

The fourth proportional to 8,868,741.60, 13,303,112.40 and 7,876,718.40 is: 11,815,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868,741.60 : 13,303,112.40 = 7,876,718.40 : x
  2. Step 2: Convert to fraction form
    8,868,741.60/13,303,112.40 = 7,876,718.40/x
  3. Step 3: Cross multiply
    8,868,741.60x = 13,303,112.40 × 7,876,718.40
  4. Step 4: Simplify right side
    8,868,741.60x = 104,784,870,218,348.17
  5. Step 5: Solve for x
    x = 104,784,870,218,348.17/8,868,741.60
  6. Step 6: Final answer
    x = 11,815,077.60

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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.