Home / 8,323,216.80-12,484,825.20-7,825,552.80

Finding the Fourth Proportional to 8,323,216.80, 12,484,825.20 and 7,825,552.80

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Solution

The fourth proportional to 8,323,216.80, 12,484,825.20 and 7,825,552.80 is: 11,738,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,216.80 : 12,484,825.20 = 7,825,552.80 : x
  2. Step 2: Convert to fraction form
    8,323,216.80/12,484,825.20 = 7,825,552.80/x
  3. Step 3: Cross multiply
    8,323,216.80x = 12,484,825.20 × 7,825,552.80
  4. Step 4: Simplify right side
    8,323,216.80x = 97,700,658,801,370.55
  5. Step 5: Solve for x
    x = 97,700,658,801,370.55/8,323,216.80
  6. Step 6: Final answer
    x = 11,738,329.20

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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.