Home / 7,720,910.96-10,656,134.40-4,284,259.16

Finding the Fourth Proportional to 7,720,910.96, 10,656,134.40 and 4,284,259.16

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Solution

The fourth proportional to 7,720,910.96, 10,656,134.40 and 4,284,259.16 is: 5,912,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,910.96 : 10,656,134.40 = 4,284,259.16 : x
  2. Step 2: Convert to fraction form
    7,720,910.96/10,656,134.40 = 4,284,259.16/x
  3. Step 3: Cross multiply
    7,720,910.96x = 10,656,134.40 × 4,284,259.16
  4. Step 4: Simplify right side
    7,720,910.96x = 45,653,641,413,391.11
  5. Step 5: Solve for x
    x = 45,653,641,413,391.11/7,720,910.96
  6. Step 6: Final answer
    x = 5,912,986.39

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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.