Home / 8,230,117.60-12,345,176.40-5,206,808.80

Finding the Fourth Proportional to 8,230,117.60, 12,345,176.40 and 5,206,808.80

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Solution

The fourth proportional to 8,230,117.60, 12,345,176.40 and 5,206,808.80 is: 7,810,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,117.60 : 12,345,176.40 = 5,206,808.80 : x
  2. Step 2: Convert to fraction form
    8,230,117.60/12,345,176.40 = 5,206,808.80/x
  3. Step 3: Cross multiply
    8,230,117.60x = 12,345,176.40 × 5,206,808.80
  4. Step 4: Simplify right side
    8,230,117.60x = 64,278,973,117,072.32
  5. Step 5: Solve for x
    x = 64,278,973,117,072.32/8,230,117.60
  6. Step 6: Final answer
    x = 7,810,213.20

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1.5x scale

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.