Home / 7,140,047.70-9,853,277.50-3,876,868.74

Finding the Fourth Proportional to 7,140,047.70, 9,853,277.50 and 3,876,868.74

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Solution

The fourth proportional to 7,140,047.70, 9,853,277.50 and 3,876,868.74 is: 5,350,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,047.70 : 9,853,277.50 = 3,876,868.74 : x
  2. Step 2: Convert to fraction form
    7,140,047.70/9,853,277.50 = 3,876,868.74/x
  3. Step 3: Cross multiply
    7,140,047.70x = 9,853,277.50 × 3,876,868.74
  4. Step 4: Simplify right side
    7,140,047.70x = 38,199,863,526,295.35
  5. Step 5: Solve for x
    x = 38,199,863,526,295.35/7,140,047.70
  6. Step 6: Final answer
    x = 5,350,085.20

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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.