Home / 8,309,315.60-12,463,973.40-2,629,984.40

Finding the Fourth Proportional to 8,309,315.60, 12,463,973.40 and 2,629,984.40

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Solution

The fourth proportional to 8,309,315.60, 12,463,973.40 and 2,629,984.40 is: 3,944,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,315.60 : 12,463,973.40 = 2,629,984.40 : x
  2. Step 2: Convert to fraction form
    8,309,315.60/12,463,973.40 = 2,629,984.40/x
  3. Step 3: Cross multiply
    8,309,315.60x = 12,463,973.40 × 2,629,984.40
  4. Step 4: Simplify right side
    8,309,315.60x = 32,780,055,604,014.96
  5. Step 5: Solve for x
    x = 32,780,055,604,014.96/8,309,315.60
  6. Step 6: Final answer
    x = 3,944,976.60

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Double scale
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Similar ratio
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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.