Home / 10,257,077.90-15,366,954.45-8,353,513.10

Finding the Fourth Proportional to 10,257,077.90, 15,366,954.45 and 8,353,513.10

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Solution

The fourth proportional to 10,257,077.90, 15,366,954.45 and 8,353,513.10 is: 12,515,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,077.90 : 15,366,954.45 = 8,353,513.10 : x
  2. Step 2: Convert to fraction form
    10,257,077.90/15,366,954.45 = 8,353,513.10/x
  3. Step 3: Cross multiply
    10,257,077.90x = 15,366,954.45 × 8,353,513.10
  4. Step 4: Simplify right side
    10,257,077.90x = 128,368,055,305,178.28
  5. Step 5: Solve for x
    x = 128,368,055,305,178.28/10,257,077.90
  6. Step 6: Final answer
    x = 12,515,070.72

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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.