Home / 38,711,079.40-57,972,140.70-18,492,701.80

Finding the Fourth Proportional to 38,711,079.40, 57,972,140.70 and 18,492,701.80

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Solution

The fourth proportional to 38,711,079.40, 57,972,140.70 and 18,492,701.80 is: 27,693,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,711,079.40 : 57,972,140.70 = 18,492,701.80 : x
  2. Step 2: Convert to fraction form
    38,711,079.40/57,972,140.70 = 18,492,701.80/x
  3. Step 3: Cross multiply
    38,711,079.40x = 57,972,140.70 × 18,492,701.80
  4. Step 4: Simplify right side
    38,711,079.40x = 1,072,061,510,672,743.38
  5. Step 5: Solve for x
    x = 1,072,061,510,672,743.38/38,711,079.40
  6. Step 6: Final answer
    x = 27,693,919.35

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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.