Home / 9,137,141.36-13,705,742.88-2,313,711.28

Finding the Fourth Proportional to 9,137,141.36, 13,705,742.88 and 2,313,711.28

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Solution

The fourth proportional to 9,137,141.36, 13,705,742.88 and 2,313,711.28 is: 3,470,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137,141.36 : 13,705,742.88 = 2,313,711.28 : x
  2. Step 2: Convert to fraction form
    9,137,141.36/13,705,742.88 = 2,313,711.28/x
  3. Step 3: Cross multiply
    9,137,141.36x = 13,705,742.88 × 2,313,711.28
  4. Step 4: Simplify right side
    9,137,141.36x = 31,711,131,902,235.68
  5. Step 5: Solve for x
    x = 31,711,131,902,235.68/9,137,141.36
  6. Step 6: Final answer
    x = 3,470,574.73

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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.