Home / 32,880,123.40-49,360,620.30-20,749,563.40

Finding the Fourth Proportional to 32,880,123.40, 49,360,620.30 and 20,749,563.40

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Solution

The fourth proportional to 32,880,123.40, 49,360,620.30 and 20,749,563.40 is: 31,149,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,880,123.40 : 49,360,620.30 = 20,749,563.40 : x
  2. Step 2: Convert to fraction form
    32,880,123.40/49,360,620.30 = 20,749,563.40/x
  3. Step 3: Cross multiply
    32,880,123.40x = 49,360,620.30 × 20,749,563.40
  4. Step 4: Simplify right side
    32,880,123.40x = 1,024,211,320,378,176.88
  5. Step 5: Solve for x
    x = 1,024,211,320,378,176.88/32,880,123.40
  6. Step 6: Final answer
    x = 31,149,862.42

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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.