Home / 13,944,474.80-20,916,712.20-9,639,802.70

Finding the Fourth Proportional to 13,944,474.80, 20,916,712.20 and 9,639,802.70

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Solution

The fourth proportional to 13,944,474.80, 20,916,712.20 and 9,639,802.70 is: 14,459,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944,474.80 : 20,916,712.20 = 9,639,802.70 : x
  2. Step 2: Convert to fraction form
    13,944,474.80/20,916,712.20 = 9,639,802.70/x
  3. Step 3: Cross multiply
    13,944,474.80x = 20,916,712.20 × 9,639,802.70
  4. Step 4: Simplify right side
    13,944,474.80x = 201,632,978,740,682.91
  5. Step 5: Solve for x
    x = 201,632,978,740,682.91/13,944,474.80
  6. Step 6: Final answer
    x = 14,459,704.05

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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.