Home / 38,061,635.67-52,525,082.81-20,657,981.14

Finding the Fourth Proportional to 38,061,635.67, 52,525,082.81 and 20,657,981.14

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Solution

The fourth proportional to 38,061,635.67, 52,525,082.81 and 20,657,981.14 is: 28,508,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,061,635.67 : 52,525,082.81 = 20,657,981.14 : x
  2. Step 2: Convert to fraction form
    38,061,635.67/52,525,082.81 = 20,657,981.14/x
  3. Step 3: Cross multiply
    38,061,635.67x = 52,525,082.81 × 20,657,981.14
  4. Step 4: Simplify right side
    38,061,635.67x = 1,085,062,169,986,250.38
  5. Step 5: Solve for x
    x = 1,085,062,169,986,250.38/38,061,635.67
  6. Step 6: Final answer
    x = 28,508,027.86

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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.