Home / 10,223,574.80-15,347,803.80-5,172,285.20

Finding the Fourth Proportional to 10,223,574.80, 15,347,803.80 and 5,172,285.20

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Solution

The fourth proportional to 10,223,574.80, 15,347,803.80 and 5,172,285.20 is: 7,764,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223,574.80 : 15,347,803.80 = 5,172,285.20 : x
  2. Step 2: Convert to fraction form
    10,223,574.80/15,347,803.80 = 5,172,285.20/x
  3. Step 3: Cross multiply
    10,223,574.80x = 15,347,803.80 × 5,172,285.20
  4. Step 4: Simplify right side
    10,223,574.80x = 79,383,218,447,243.77
  5. Step 5: Solve for x
    x = 79,383,218,447,243.77/10,223,574.80
  6. Step 6: Final answer
    x = 7,764,722.22

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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.