Home / 20,364,004.40-30,545,315.40-5,218,084.40

Finding the Fourth Proportional to 20,364,004.40, 30,545,315.40 and 5,218,084.40

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Solution

The fourth proportional to 20,364,004.40, 30,545,315.40 and 5,218,084.40 is: 7,826,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364,004.40 : 30,545,315.40 = 5,218,084.40 : x
  2. Step 2: Convert to fraction form
    20,364,004.40/30,545,315.40 = 5,218,084.40/x
  3. Step 3: Cross multiply
    20,364,004.40x = 30,545,315.40 × 5,218,084.40
  4. Step 4: Simplify right side
    20,364,004.40x = 159,388,033,781,819.75
  5. Step 5: Solve for x
    x = 159,388,033,781,819.75/20,364,004.40
  6. Step 6: Final answer
    x = 7,826,949.49

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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.