Home / 55,338,426.05-82,952,086.89-18,921,911.29

Finding the Fourth Proportional to 55,338,426.05, 82,952,086.89 and 18,921,911.29

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Solution

The fourth proportional to 55,338,426.05, 82,952,086.89 and 18,921,911.29 is: 28,363,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,338,426.05 : 82,952,086.89 = 18,921,911.29 : x
  2. Step 2: Convert to fraction form
    55,338,426.05/82,952,086.89 = 18,921,911.29/x
  3. Step 3: Cross multiply
    55,338,426.05x = 82,952,086.89 × 18,921,911.29
  4. Step 4: Simplify right side
    55,338,426.05x = 1,569,612,029,676,698.75
  5. Step 5: Solve for x
    x = 1,569,612,029,676,698.75/55,338,426.05
  6. Step 6: Final answer
    x = 28,363,871.94

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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.