Home / 20,597,719.80-30,896,579.70-11,527,793.40

Finding the Fourth Proportional to 20,597,719.80, 30,896,579.70 and 11,527,793.40

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Solution

The fourth proportional to 20,597,719.80, 30,896,579.70 and 11,527,793.40 is: 17,291,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597,719.80 : 30,896,579.70 = 11,527,793.40 : x
  2. Step 2: Convert to fraction form
    20,597,719.80/30,896,579.70 = 11,527,793.40/x
  3. Step 3: Cross multiply
    20,597,719.80x = 30,896,579.70 × 11,527,793.40
  4. Step 4: Simplify right side
    20,597,719.80x = 356,169,387,548,234
  5. Step 5: Solve for x
    x = 356,169,387,548,234/20,597,719.80
  6. Step 6: Final answer
    x = 17,291,690.10

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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.