Home / 55,345,240.12-82,926,767.04-18,933,725.92

Finding the Fourth Proportional to 55,345,240.12, 82,926,767.04 and 18,933,725.92

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Solution

The fourth proportional to 55,345,240.12, 82,926,767.04 and 18,933,725.92 is: 28,369,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,345,240.12 : 82,926,767.04 = 18,933,725.92 : x
  2. Step 2: Convert to fraction form
    55,345,240.12/82,926,767.04 = 18,933,725.92/x
  3. Step 3: Cross multiply
    55,345,240.12x = 82,926,767.04 × 18,933,725.92
  4. Step 4: Simplify right side
    55,345,240.12x = 1,570,112,678,567,050
  5. Step 5: Solve for x
    x = 1,570,112,678,567,050/55,345,240.12
  6. Step 6: Final answer
    x = 28,369,425.72

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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.