Home / 20,777,548.68-31,169,734.74-6,400,301.40

Finding the Fourth Proportional to 20,777,548.68, 31,169,734.74 and 6,400,301.40

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Solution

The fourth proportional to 20,777,548.68, 31,169,734.74 and 6,400,301.40 is: 9,601,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,548.68 : 31,169,734.74 = 6,400,301.40 : x
  2. Step 2: Convert to fraction form
    20,777,548.68/31,169,734.74 = 6,400,301.40/x
  3. Step 3: Cross multiply
    20,777,548.68x = 31,169,734.74 × 6,400,301.40
  4. Step 4: Simplify right side
    20,777,548.68x = 199,495,696,894,050.62
  5. Step 5: Solve for x
    x = 199,495,696,894,050.62/20,777,548.68
  6. Step 6: Final answer
    x = 9,601,503.04

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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.