Home / 37,049,528.10-51,129,469.79-20,528,106.90

Finding the Fourth Proportional to 37,049,528.10, 51,129,469.79 and 20,528,106.90

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Solution

The fourth proportional to 37,049,528.10, 51,129,469.79 and 20,528,106.90 is: 28,329,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,049,528.10 : 51,129,469.79 = 20,528,106.90 : x
  2. Step 2: Convert to fraction form
    37,049,528.10/51,129,469.79 = 20,528,106.90/x
  3. Step 3: Cross multiply
    37,049,528.10x = 51,129,469.79 × 20,528,106.90
  4. Step 4: Simplify right side
    37,049,528.10x = 1,049,591,221,886,586.12
  5. Step 5: Solve for x
    x = 1,049,591,221,886,586.12/37,049,528.10
  6. Step 6: Final answer
    x = 28,329,408.65

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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.