Home / 47,648,759.47-71,292,775.29-28,228,408.65

Finding the Fourth Proportional to 47,648,759.47, 71,292,775.29 and 28,228,408.65

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Solution

The fourth proportional to 47,648,759.47, 71,292,775.29 and 28,228,408.65 is: 42,235,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,648,759.47 : 71,292,775.29 = 28,228,408.65 : x
  2. Step 2: Convert to fraction form
    47,648,759.47/71,292,775.29 = 28,228,408.65/x
  3. Step 3: Cross multiply
    47,648,759.47x = 71,292,775.29 × 28,228,408.65
  4. Step 4: Simplify right side
    47,648,759.47x = 2,012,481,594,572,885.50
  5. Step 5: Solve for x
    x = 2,012,481,594,572,885.50/47,648,759.47
  6. Step 6: Final answer
    x = 42,235,760.53

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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.