Home / 18,006,211.46-27,009,276.78-13,913,484.26

Finding the Fourth Proportional to 18,006,211.46, 27,009,276.78 and 13,913,484.26

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Solution

The fourth proportional to 18,006,211.46, 27,009,276.78 and 13,913,484.26 is: 20,870,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006,211.46 : 27,009,276.78 = 13,913,484.26 : x
  2. Step 2: Convert to fraction form
    18,006,211.46/27,009,276.78 = 13,913,484.26/x
  3. Step 3: Cross multiply
    18,006,211.46x = 27,009,276.78 × 13,913,484.26
  4. Step 4: Simplify right side
    18,006,211.46x = 375,793,147,352,513.50
  5. Step 5: Solve for x
    x = 375,793,147,352,513.50/18,006,211.46
  6. Step 6: Final answer
    x = 20,870,195.17

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Double scale
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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.