Home / 20,527,368.29-28,326,615.67-11,234,919.43

Finding the Fourth Proportional to 20,527,368.29, 28,326,615.67 and 11,234,919.43

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Solution

The fourth proportional to 20,527,368.29, 28,326,615.67 and 11,234,919.43 is: 15,503,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,368.29 : 28,326,615.67 = 11,234,919.43 : x
  2. Step 2: Convert to fraction form
    20,527,368.29/28,326,615.67 = 11,234,919.43/x
  3. Step 3: Cross multiply
    20,527,368.29x = 28,326,615.67 × 11,234,919.43
  4. Step 4: Simplify right side
    20,527,368.29x = 318,247,244,777,025.50
  5. Step 5: Solve for x
    x = 318,247,244,777,025.50/20,527,368.29
  6. Step 6: Final answer
    x = 15,503,558.00

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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.