Home / 13,742,759.20-20,614,138.80-9,711,680.80

Finding the Fourth Proportional to 13,742,759.20, 20,614,138.80 and 9,711,680.80

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Solution

The fourth proportional to 13,742,759.20, 20,614,138.80 and 9,711,680.80 is: 14,567,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,759.20 : 20,614,138.80 = 9,711,680.80 : x
  2. Step 2: Convert to fraction form
    13,742,759.20/20,614,138.80 = 9,711,680.80/x
  3. Step 3: Cross multiply
    13,742,759.20x = 20,614,138.80 × 9,711,680.80
  4. Step 4: Simplify right side
    13,742,759.20x = 200,197,935,992,495.06
  5. Step 5: Solve for x
    x = 200,197,935,992,495.06/13,742,759.20
  6. Step 6: Final answer
    x = 14,567,521.20

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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.