Home / 18,146,117.40-27,219,176.10-11,427,653.40

Finding the Fourth Proportional to 18,146,117.40, 27,219,176.10 and 11,427,653.40

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Solution

The fourth proportional to 18,146,117.40, 27,219,176.10 and 11,427,653.40 is: 17,141,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,117.40 : 27,219,176.10 = 11,427,653.40 : x
  2. Step 2: Convert to fraction form
    18,146,117.40/27,219,176.10 = 11,427,653.40/x
  3. Step 3: Cross multiply
    18,146,117.40x = 27,219,176.10 × 11,427,653.40
  4. Step 4: Simplify right side
    18,146,117.40x = 311,051,310,304,363.75
  5. Step 5: Solve for x
    x = 311,051,310,304,363.75/18,146,117.40
  6. Step 6: Final answer
    x = 17,141,480.10

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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.