Home / 13,608,005.10-20,412,007.65-13,146,110.70

Finding the Fourth Proportional to 13,608,005.10, 20,412,007.65 and 13,146,110.70

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Solution

The fourth proportional to 13,608,005.10, 20,412,007.65 and 13,146,110.70 is: 19,719,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,005.10 : 20,412,007.65 = 13,146,110.70 : x
  2. Step 2: Convert to fraction form
    13,608,005.10/20,412,007.65 = 13,146,110.70/x
  3. Step 3: Cross multiply
    13,608,005.10x = 20,412,007.65 × 13,146,110.70
  4. Step 4: Simplify right side
    13,608,005.10x = 268,338,512,176,146.81
  5. Step 5: Solve for x
    x = 268,338,512,176,146.81/13,608,005.10
  6. Step 6: Final answer
    x = 19,719,166.05

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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.