Home / 12,296,746.30-18,445,119.45-10,914,999.70

Finding the Fourth Proportional to 12,296,746.30, 18,445,119.45 and 10,914,999.70

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Solution

The fourth proportional to 12,296,746.30, 18,445,119.45 and 10,914,999.70 is: 16,372,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,746.30 : 18,445,119.45 = 10,914,999.70 : x
  2. Step 2: Convert to fraction form
    12,296,746.30/18,445,119.45 = 10,914,999.70/x
  3. Step 3: Cross multiply
    12,296,746.30x = 18,445,119.45 × 10,914,999.70
  4. Step 4: Simplify right side
    12,296,746.30x = 201,328,473,263,214.16
  5. Step 5: Solve for x
    x = 201,328,473,263,214.16/12,296,746.30
  6. Step 6: Final answer
    x = 16,372,499.55

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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.