Home / 51,779,922.80-71,458,005.84-28,259,743.28

Finding the Fourth Proportional to 51,779,922.80, 71,458,005.84 and 28,259,743.28

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Solution

The fourth proportional to 51,779,922.80, 71,458,005.84 and 28,259,743.28 is: 38,999,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779,922.80 : 71,458,005.84 = 28,259,743.28 : x
  2. Step 2: Convert to fraction form
    51,779,922.80/71,458,005.84 = 28,259,743.28/x
  3. Step 3: Cross multiply
    51,779,922.80x = 71,458,005.84 × 28,259,743.28
  4. Step 4: Simplify right side
    51,779,922.80x = 2,019,384,900,339,141
  5. Step 5: Solve for x
    x = 2,019,384,900,339,141/51,779,922.80
  6. Step 6: Final answer
    x = 38,999,380.28

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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.