Home / 28,779,759.46-43,192,025.48-20,087,390.63

Finding the Fourth Proportional to 28,779,759.46, 43,192,025.48 and 20,087,390.63

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Solution

The fourth proportional to 28,779,759.46, 43,192,025.48 and 20,087,390.63 is: 30,146,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,759.46 : 43,192,025.48 = 20,087,390.63 : x
  2. Step 2: Convert to fraction form
    28,779,759.46/43,192,025.48 = 20,087,390.63/x
  3. Step 3: Cross multiply
    28,779,759.46x = 43,192,025.48 × 20,087,390.63
  4. Step 4: Simplify right side
    28,779,759.46x = 867,615,087,601,276.25
  5. Step 5: Solve for x
    x = 867,615,087,601,276.25/28,779,759.46
  6. Step 6: Final answer
    x = 30,146,710.88

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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.