Home / 18,378,551.40-27,567,827.10-18,095,116.20

Finding the Fourth Proportional to 18,378,551.40, 27,567,827.10 and 18,095,116.20

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Solution

The fourth proportional to 18,378,551.40, 27,567,827.10 and 18,095,116.20 is: 27,142,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,551.40 : 27,567,827.10 = 18,095,116.20 : x
  2. Step 2: Convert to fraction form
    18,378,551.40/27,567,827.10 = 18,095,116.20/x
  3. Step 3: Cross multiply
    18,378,551.40x = 27,567,827.10 × 18,095,116.20
  4. Step 4: Simplify right side
    18,378,551.40x = 498,843,034,756,009
  5. Step 5: Solve for x
    x = 498,843,034,756,009/18,378,551.40
  6. Step 6: Final answer
    x = 27,142,674.30

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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.