Home / 17,068,859.20-25,603,288.80-15,771,246.40

Finding the Fourth Proportional to 17,068,859.20, 25,603,288.80 and 15,771,246.40

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Solution

The fourth proportional to 17,068,859.20, 25,603,288.80 and 15,771,246.40 is: 23,656,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,068,859.20 : 25,603,288.80 = 15,771,246.40 : x
  2. Step 2: Convert to fraction form
    17,068,859.20/25,603,288.80 = 15,771,246.40/x
  3. Step 3: Cross multiply
    17,068,859.20x = 25,603,288.80 × 15,771,246.40
  4. Step 4: Simplify right side
    17,068,859.20x = 403,795,776,315,160.31
  5. Step 5: Solve for x
    x = 403,795,776,315,160.31/17,068,859.20
  6. Step 6: Final answer
    x = 23,656,869.60

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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.