Home / 25,215,187.40-37,766,793.90-20,736,211.40

Finding the Fourth Proportional to 25,215,187.40, 37,766,793.90 and 20,736,211.40

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Solution

The fourth proportional to 25,215,187.40, 37,766,793.90 and 20,736,211.40 is: 31,058,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215,187.40 : 37,766,793.90 = 20,736,211.40 : x
  2. Step 2: Convert to fraction form
    25,215,187.40/37,766,793.90 = 20,736,211.40/x
  3. Step 3: Cross multiply
    25,215,187.40x = 37,766,793.90 × 20,736,211.40
  4. Step 4: Simplify right side
    25,215,187.40x = 783,140,222,210,630.38
  5. Step 5: Solve for x
    x = 783,140,222,210,630.38/25,215,187.40
  6. Step 6: Final answer
    x = 31,058,274.91

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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.