Home / 28,587,587.43-42,889,385.57-11,560,217.79

Finding the Fourth Proportional to 28,587,587.43, 42,889,385.57 and 11,560,217.79

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Solution

The fourth proportional to 28,587,587.43, 42,889,385.57 and 11,560,217.79 is: 17,343,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587,587.43 : 42,889,385.57 = 11,560,217.79 : x
  2. Step 2: Convert to fraction form
    28,587,587.43/42,889,385.57 = 11,560,217.79/x
  3. Step 3: Cross multiply
    28,587,587.43x = 42,889,385.57 × 11,560,217.79
  4. Step 4: Simplify right side
    28,587,587.43x = 495,810,638,068,483.25
  5. Step 5: Solve for x
    x = 495,810,638,068,483.25/28,587,587.43
  6. Step 6: Final answer
    x = 17,343,563.51

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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.