Home / 8,859,219.60-13,288,829.40-7,442,043.60

Finding the Fourth Proportional to 8,859,219.60, 13,288,829.40 and 7,442,043.60

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Solution

The fourth proportional to 8,859,219.60, 13,288,829.40 and 7,442,043.60 is: 11,163,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,219.60 : 13,288,829.40 = 7,442,043.60 : x
  2. Step 2: Convert to fraction form
    8,859,219.60/13,288,829.40 = 7,442,043.60/x
  3. Step 3: Cross multiply
    8,859,219.60x = 13,288,829.40 × 7,442,043.60
  4. Step 4: Simplify right side
    8,859,219.60x = 98,896,047,787,761.84
  5. Step 5: Solve for x
    x = 98,896,047,787,761.84/8,859,219.60
  6. Step 6: Final answer
    x = 11,163,065.40

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Double scale
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Similar ratio
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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.