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Finding the Fourth Proportional to 15,797,870.20, 23,696,805.30 and 8,971,805.80

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Solution

The fourth proportional to 15,797,870.20, 23,696,805.30 and 8,971,805.80 is: 13,457,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797,870.20 : 23,696,805.30 = 8,971,805.80 : x
  2. Step 2: Convert to fraction form
    15,797,870.20/23,696,805.30 = 8,971,805.80/x
  3. Step 3: Cross multiply
    15,797,870.20x = 23,696,805.30 × 8,971,805.80
  4. Step 4: Simplify right side
    15,797,870.20x = 212,603,135,232,010.75
  5. Step 5: Solve for x
    x = 212,603,135,232,010.75/15,797,870.20
  6. Step 6: Final answer
    x = 13,457,708.70

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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.