Home / 8,115,366.80-12,164,263.32-5,277,515.60

Finding the Fourth Proportional to 8,115,366.80, 12,164,263.32 and 5,277,515.60

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Solution

The fourth proportional to 8,115,366.80, 12,164,263.32 and 5,277,515.60 is: 7,910,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115,366.80 : 12,164,263.32 = 5,277,515.60 : x
  2. Step 2: Convert to fraction form
    8,115,366.80/12,164,263.32 = 5,277,515.60/x
  3. Step 3: Cross multiply
    8,115,366.80x = 12,164,263.32 × 5,277,515.60
  4. Step 4: Simplify right side
    8,115,366.80x = 64,197,089,433,807.79
  5. Step 5: Solve for x
    x = 64,197,089,433,807.79/8,115,366.80
  6. Step 6: Final answer
    x = 7,910,559.19

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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.