Home / 12,298,078.10-18,447,117.15-8,266,999.70

Finding the Fourth Proportional to 12,298,078.10, 18,447,117.15 and 8,266,999.70

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Solution

The fourth proportional to 12,298,078.10, 18,447,117.15 and 8,266,999.70 is: 12,400,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,078.10 : 18,447,117.15 = 8,266,999.70 : x
  2. Step 2: Convert to fraction form
    12,298,078.10/18,447,117.15 = 8,266,999.70/x
  3. Step 3: Cross multiply
    12,298,078.10x = 18,447,117.15 × 8,266,999.70
  4. Step 4: Simplify right side
    12,298,078.10x = 152,502,311,944,914.84
  5. Step 5: Solve for x
    x = 152,502,311,944,914.84/12,298,078.10
  6. Step 6: Final answer
    x = 12,400,499.55

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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.