Home / 20,316,582-30,474,789.26-7,359,698.79

Finding the Fourth Proportional to 20,316,582, 30,474,789.26 and 7,359,698.79

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Solution

The fourth proportional to 20,316,582, 30,474,789.26 and 7,359,698.79 is: 11,039,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316,582 : 30,474,789.26 = 7,359,698.79 : x
  2. Step 2: Convert to fraction form
    20,316,582/30,474,789.26 = 7,359,698.79/x
  3. Step 3: Cross multiply
    20,316,582x = 30,474,789.26 × 7,359,698.79
  4. Step 4: Simplify right side
    20,316,582x = 224,285,269,605,528.50
  5. Step 5: Solve for x
    x = 224,285,269,605,528.50/20,316,582
  6. Step 6: Final answer
    x = 11,039,517.85

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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.