Home / 28,978,246.20-43,495,362.90-17,640,838.20

Finding the Fourth Proportional to 28,978,246.20, 43,495,362.90 and 17,640,838.20

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Solution

The fourth proportional to 28,978,246.20, 43,495,362.90 and 17,640,838.20 is: 26,478,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,246.20 : 43,495,362.90 = 17,640,838.20 : x
  2. Step 2: Convert to fraction form
    28,978,246.20/43,495,362.90 = 17,640,838.20/x
  3. Step 3: Cross multiply
    28,978,246.20x = 43,495,362.90 × 17,640,838.20
  4. Step 4: Simplify right side
    28,978,246.20x = 767,294,659,369,182.75
  5. Step 5: Solve for x
    x = 767,294,659,369,182.75/28,978,246.20
  6. Step 6: Final answer
    x = 26,478,298.72

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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.