Home / 7,770,705.72-11,655,161.88-2,090,483.52

Finding the Fourth Proportional to 7,770,705.72, 11,655,161.88 and 2,090,483.52

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Solution

The fourth proportional to 7,770,705.72, 11,655,161.88 and 2,090,483.52 is: 3,135,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,705.72 : 11,655,161.88 = 2,090,483.52 : x
  2. Step 2: Convert to fraction form
    7,770,705.72/11,655,161.88 = 2,090,483.52/x
  3. Step 3: Cross multiply
    7,770,705.72x = 11,655,161.88 × 2,090,483.52
  4. Step 4: Simplify right side
    7,770,705.72x = 24,364,923,833,072.22
  5. Step 5: Solve for x
    x = 24,364,923,833,072.22/7,770,705.72
  6. Step 6: Final answer
    x = 3,135,484.05

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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.