Home / 28,300,454.68-39,054,759.71-16,077,982.36

Finding the Fourth Proportional to 28,300,454.68, 39,054,759.71 and 16,077,982.36

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Solution

The fourth proportional to 28,300,454.68, 39,054,759.71 and 16,077,982.36 is: 22,187,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300,454.68 : 39,054,759.71 = 16,077,982.36 : x
  2. Step 2: Convert to fraction form
    28,300,454.68/39,054,759.71 = 16,077,982.36/x
  3. Step 3: Cross multiply
    28,300,454.68x = 39,054,759.71 × 16,077,982.36
  4. Step 4: Simplify right side
    28,300,454.68x = 627,921,737,478,377.75
  5. Step 5: Solve for x
    x = 627,921,737,478,377.75/28,300,454.68
  6. Step 6: Final answer
    x = 22,187,690.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.