Home / 20,527,365.76-28,326,612.18-11,234,916.89

Finding the Fourth Proportional to 20,527,365.76, 28,326,612.18 and 11,234,916.89

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Solution

The fourth proportional to 20,527,365.76, 28,326,612.18 and 11,234,916.89 is: 15,503,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,365.76 : 28,326,612.18 = 11,234,916.89 : x
  2. Step 2: Convert to fraction form
    20,527,365.76/28,326,612.18 = 11,234,916.89/x
  3. Step 3: Cross multiply
    20,527,365.76x = 28,326,612.18 × 11,234,916.89
  4. Step 4: Simplify right side
    20,527,365.76x = 318,247,133,617,561.75
  5. Step 5: Solve for x
    x = 318,247,133,617,561.75/20,527,365.76
  6. Step 6: Final answer
    x = 15,503,554.49

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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.