Home / 10,306,144.80-15,455,280.60-3,115,288.80

Finding the Fourth Proportional to 10,306,144.80, 15,455,280.60 and 3,115,288.80

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Solution

The fourth proportional to 10,306,144.80, 15,455,280.60 and 3,115,288.80 is: 4,671,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,144.80 : 15,455,280.60 = 3,115,288.80 : x
  2. Step 2: Convert to fraction form
    10,306,144.80/15,455,280.60 = 3,115,288.80/x
  3. Step 3: Cross multiply
    10,306,144.80x = 15,455,280.60 × 3,115,288.80
  4. Step 4: Simplify right side
    10,306,144.80x = 48,147,662,554,037.27
  5. Step 5: Solve for x
    x = 48,147,662,554,037.27/10,306,144.80
  6. Step 6: Final answer
    x = 4,671,743.26

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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.