Home / 7,140,195.56-10,710,637.79-2,347,778.72

Finding the Fourth Proportional to 7,140,195.56, 10,710,637.79 and 2,347,778.72

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Solution

The fourth proportional to 7,140,195.56, 10,710,637.79 and 2,347,778.72 is: 3,521,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,195.56 : 10,710,637.79 = 2,347,778.72 : x
  2. Step 2: Convert to fraction form
    7,140,195.56/10,710,637.79 = 2,347,778.72/x
  3. Step 3: Cross multiply
    7,140,195.56x = 10,710,637.79 × 2,347,778.72
  4. Step 4: Simplify right side
    7,140,195.56x = 25,146,207,415,697.75
  5. Step 5: Solve for x
    x = 25,146,207,415,697.75/7,140,195.56
  6. Step 6: Final answer
    x = 3,521,781.33

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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.