Home / 38,211,246.72-52,731,523.92-20,807,586.72

Finding the Fourth Proportional to 38,211,246.72, 52,731,523.92 and 20,807,586.72

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Solution

The fourth proportional to 38,211,246.72, 52,731,523.92 and 20,807,586.72 is: 28,714,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211,246.72 : 52,731,523.92 = 20,807,586.72 : x
  2. Step 2: Convert to fraction form
    38,211,246.72/52,731,523.92 = 20,807,586.72/x
  3. Step 3: Cross multiply
    38,211,246.72x = 52,731,523.92 × 20,807,586.72
  4. Step 4: Simplify right side
    38,211,246.72x = 1,097,215,756,843,154.38
  5. Step 5: Solve for x
    x = 1,097,215,756,843,154.38/38,211,246.72
  6. Step 6: Final answer
    x = 28,714,471.55

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1.5x scale

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.