Home / 7,770,409.80-11,655,614.70-5,655,337.80

Finding the Fourth Proportional to 7,770,409.80, 11,655,614.70 and 5,655,337.80

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Solution

The fourth proportional to 7,770,409.80, 11,655,614.70 and 5,655,337.80 is: 8,483,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,409.80 : 11,655,614.70 = 5,655,337.80 : x
  2. Step 2: Convert to fraction form
    7,770,409.80/11,655,614.70 = 5,655,337.80/x
  3. Step 3: Cross multiply
    7,770,409.80x = 11,655,614.70 × 5,655,337.80
  4. Step 4: Simplify right side
    7,770,409.80x = 65,916,438,395,145.66
  5. Step 5: Solve for x
    x = 65,916,438,395,145.66/7,770,409.80
  6. Step 6: Final answer
    x = 8,483,006.70

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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.