Home / 10,257,169.90-15,367,092.45-8,353,605.10

Finding the Fourth Proportional to 10,257,169.90, 15,367,092.45 and 8,353,605.10

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Solution

The fourth proportional to 10,257,169.90, 15,367,092.45 and 8,353,605.10 is: 12,515,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,169.90 : 15,367,092.45 = 8,353,605.10 : x
  2. Step 2: Convert to fraction form
    10,257,169.90/15,367,092.45 = 8,353,605.10/x
  3. Step 3: Cross multiply
    10,257,169.90x = 15,367,092.45 × 8,353,605.10
  4. Step 4: Simplify right side
    10,257,169.90x = 128,370,621,862,491.48
  5. Step 5: Solve for x
    x = 128,370,621,862,491.48/10,257,169.90
  6. Step 6: Final answer
    x = 12,515,208.69

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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.