Home / 11,700,012.60-17,550,018.90-10,207,020.60

Finding the Fourth Proportional to 11,700,012.60, 17,550,018.90 and 10,207,020.60

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Solution

The fourth proportional to 11,700,012.60, 17,550,018.90 and 10,207,020.60 is: 15,310,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700,012.60 : 17,550,018.90 = 10,207,020.60 : x
  2. Step 2: Convert to fraction form
    11,700,012.60/17,550,018.90 = 10,207,020.60/x
  3. Step 3: Cross multiply
    11,700,012.60x = 17,550,018.90 × 10,207,020.60
  4. Step 4: Simplify right side
    11,700,012.60x = 179,133,404,442,689.31
  5. Step 5: Solve for x
    x = 179,133,404,442,689.31/11,700,012.60
  6. Step 6: Final answer
    x = 15,310,530.90

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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.