Home / 37,920,318.30-56,784,249.45-20,861,718.30

Finding the Fourth Proportional to 37,920,318.30, 56,784,249.45 and 20,861,718.30

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Solution

The fourth proportional to 37,920,318.30, 56,784,249.45 and 20,861,718.30 is: 31,239,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,920,318.30 : 56,784,249.45 = 20,861,718.30 : x
  2. Step 2: Convert to fraction form
    37,920,318.30/56,784,249.45 = 20,861,718.30/x
  3. Step 3: Cross multiply
    37,920,318.30x = 56,784,249.45 × 20,861,718.30
  4. Step 4: Simplify right side
    37,920,318.30x = 1,184,617,015,902,830
  5. Step 5: Solve for x
    x = 1,184,617,015,902,830/37,920,318.30
  6. Step 6: Final answer
    x = 31,239,637.98

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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.