Home / 25,437,182.72-37,983,474.90-20,190,933.52

Finding the Fourth Proportional to 25,437,182.72, 37,983,474.90 and 20,190,933.52

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Solution

The fourth proportional to 25,437,182.72, 37,983,474.90 and 20,190,933.52 is: 30,149,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437,182.72 : 37,983,474.90 = 20,190,933.52 : x
  2. Step 2: Convert to fraction form
    25,437,182.72/37,983,474.90 = 20,190,933.52/x
  3. Step 3: Cross multiply
    25,437,182.72x = 37,983,474.90 × 20,190,933.52
  4. Step 4: Simplify right side
    25,437,182.72x = 766,921,816,564,488.62
  5. Step 5: Solve for x
    x = 766,921,816,564,488.62/25,437,182.72
  6. Step 6: Final answer
    x = 30,149,636.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.