Home / 7,192,807.20-10,787,828.40-2,144,282.40

Finding the Fourth Proportional to 7,192,807.20, 10,787,828.40 and 2,144,282.40

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Solution

The fourth proportional to 7,192,807.20, 10,787,828.40 and 2,144,282.40 is: 3,216,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192,807.20 : 10,787,828.40 = 2,144,282.40 : x
  2. Step 2: Convert to fraction form
    7,192,807.20/10,787,828.40 = 2,144,282.40/x
  3. Step 3: Cross multiply
    7,192,807.20x = 10,787,828.40 × 2,144,282.40
  4. Step 4: Simplify right side
    7,192,807.20x = 23,132,150,572,340.16
  5. Step 5: Solve for x
    x = 23,132,150,572,340.16/7,192,807.20
  6. Step 6: Final answer
    x = 3,216,011.49

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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.