Home / 10,318,632.48-15,476,220.72-3,128,447.52

Finding the Fourth Proportional to 10,318,632.48, 15,476,220.72 and 3,128,447.52

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Solution

The fourth proportional to 10,318,632.48, 15,476,220.72 and 3,128,447.52 is: 4,692,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318,632.48 : 15,476,220.72 = 3,128,447.52 : x
  2. Step 2: Convert to fraction form
    10,318,632.48/15,476,220.72 = 3,128,447.52/x
  3. Step 3: Cross multiply
    10,318,632.48x = 15,476,220.72 × 3,128,447.52
  4. Step 4: Simplify right side
    10,318,632.48x = 48,416,544,330,456.62
  5. Step 5: Solve for x
    x = 48,416,544,330,456.62/10,318,632.48
  6. Step 6: Final answer
    x = 4,692,147.38

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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.