Home / 7,777,608.93-10,738,156.05-6,960,407.69

Finding the Fourth Proportional to 7,777,608.93, 10,738,156.05 and 6,960,407.69

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Solution

The fourth proportional to 7,777,608.93, 10,738,156.05 and 6,960,407.69 is: 9,609,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,608.93 : 10,738,156.05 = 6,960,407.69 : x
  2. Step 2: Convert to fraction form
    7,777,608.93/10,738,156.05 = 6,960,407.69/x
  3. Step 3: Cross multiply
    7,777,608.93x = 10,738,156.05 × 6,960,407.69
  4. Step 4: Simplify right side
    7,777,608.93x = 74,741,943,893,149.25
  5. Step 5: Solve for x
    x = 74,741,943,893,149.25/7,777,608.93
  6. Step 6: Final answer
    x = 9,609,887.12

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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.