Home / 38,156,099.76-52,656,084.32-20,752,563.08

Finding the Fourth Proportional to 38,156,099.76, 52,656,084.32 and 20,752,563.08

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Solution

The fourth proportional to 38,156,099.76, 52,656,084.32 and 20,752,563.08 is: 28,638,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156,099.76 : 52,656,084.32 = 20,752,563.08 : x
  2. Step 2: Convert to fraction form
    38,156,099.76/52,656,084.32 = 20,752,563.08/x
  3. Step 3: Cross multiply
    38,156,099.76x = 52,656,084.32 × 20,752,563.08
  4. Step 4: Simplify right side
    38,156,099.76x = 1,092,748,711,424,476.25
  5. Step 5: Solve for x
    x = 1,092,748,711,424,476.25/38,156,099.76
  6. Step 6: Final answer
    x = 28,638,899.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.