Home / 19,668,463.20-29,520,190.80-11,571,314.40

Finding the Fourth Proportional to 19,668,463.20, 29,520,190.80 and 11,571,314.40

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Solution

The fourth proportional to 19,668,463.20, 29,520,190.80 and 11,571,314.40 is: 17,367,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668,463.20 : 29,520,190.80 = 11,571,314.40 : x
  2. Step 2: Convert to fraction form
    19,668,463.20/29,520,190.80 = 11,571,314.40/x
  3. Step 3: Cross multiply
    19,668,463.20x = 29,520,190.80 × 11,571,314.40
  4. Step 4: Simplify right side
    19,668,463.20x = 341,587,408,894,787.56
  5. Step 5: Solve for x
    x = 341,587,408,894,787.56/19,668,463.20
  6. Step 6: Final answer
    x = 17,367,264.81

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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.