Home / 8,221,080.60-12,342,701.70-4,812,859.80

Finding the Fourth Proportional to 8,221,080.60, 12,342,701.70 and 4,812,859.80

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Solution

The fourth proportional to 8,221,080.60, 12,342,701.70 and 4,812,859.80 is: 7,225,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,080.60 : 12,342,701.70 = 4,812,859.80 : x
  2. Step 2: Convert to fraction form
    8,221,080.60/12,342,701.70 = 4,812,859.80/x
  3. Step 3: Cross multiply
    8,221,080.60x = 12,342,701.70 × 4,812,859.80
  4. Step 4: Simplify right side
    8,221,080.60x = 59,403,692,835,321.66
  5. Step 5: Solve for x
    x = 59,403,692,835,321.66/8,221,080.60
  6. Step 6: Final answer
    x = 7,225,776.72

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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.