Home / 8,303,808.10-12,455,712.15-7,772,367.10

Finding the Fourth Proportional to 8,303,808.10, 12,455,712.15 and 7,772,367.10

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Solution

The fourth proportional to 8,303,808.10, 12,455,712.15 and 7,772,367.10 is: 11,658,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,808.10 : 12,455,712.15 = 7,772,367.10 : x
  2. Step 2: Convert to fraction form
    8,303,808.10/12,455,712.15 = 7,772,367.10/x
  3. Step 3: Cross multiply
    8,303,808.10x = 12,455,712.15 × 7,772,367.10
  4. Step 4: Simplify right side
    8,303,808.10x = 96,810,367,321,730.27
  5. Step 5: Solve for x
    x = 96,810,367,321,730.27/8,303,808.10
  6. Step 6: Final answer
    x = 11,658,550.65

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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.