Home / 49,759,405.56-74,640,289.32-13,367,842.20

Finding the Fourth Proportional to 49,759,405.56, 74,640,289.32 and 13,367,842.20

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Solution

The fourth proportional to 49,759,405.56, 74,640,289.32 and 13,367,842.20 is: 20,052,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,759,405.56 : 74,640,289.32 = 13,367,842.20 : x
  2. Step 2: Convert to fraction form
    49,759,405.56/74,640,289.32 = 13,367,842.20/x
  3. Step 3: Cross multiply
    49,759,405.56x = 74,640,289.32 × 13,367,842.20
  4. Step 4: Simplify right side
    49,759,405.56x = 997,779,609,392,105.12
  5. Step 5: Solve for x
    x = 997,779,609,392,105.12/49,759,405.56
  6. Step 6: Final answer
    x = 20,052,080.57

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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.