Home / 51,682,470.10-71,324,985.81-28,477,591

Finding the Fourth Proportional to 51,682,470.10, 71,324,985.81 and 28,477,591

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Solution

The fourth proportional to 51,682,470.10, 71,324,985.81 and 28,477,591 is: 39,300,826.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,682,470.10 : 71,324,985.81 = 28,477,591 : x
  2. Step 2: Convert to fraction form
    51,682,470.10/71,324,985.81 = 28,477,591/x
  3. Step 3: Cross multiply
    51,682,470.10x = 71,324,985.81 × 28,477,591
  4. Step 4: Simplify right side
    51,682,470.10x = 2,031,163,773,977,983.75
  5. Step 5: Solve for x
    x = 2,031,163,773,977,983.75/51,682,470.10
  6. Step 6: Final answer
    x = 39,300,826.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.