Home / 8,415,615.60-12,591,930.60-5,581,263.60

Finding the Fourth Proportional to 8,415,615.60, 12,591,930.60 and 5,581,263.60

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Solution

The fourth proportional to 8,415,615.60, 12,591,930.60 and 5,581,263.60 is: 8,351,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415,615.60 : 12,591,930.60 = 5,581,263.60 : x
  2. Step 2: Convert to fraction form
    8,415,615.60/12,591,930.60 = 5,581,263.60/x
  3. Step 3: Cross multiply
    8,415,615.60x = 12,591,930.60 × 5,581,263.60
  4. Step 4: Simplify right side
    8,415,615.60x = 70,278,883,911,506.16
  5. Step 5: Solve for x
    x = 70,278,883,911,506.16/8,415,615.60
  6. Step 6: Final answer
    x = 8,351,009.27

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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.