Home / 7,778,247.90-10,738,013.49-5,682,737.25

Finding the Fourth Proportional to 7,778,247.90, 10,738,013.49 and 5,682,737.25

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Solution

The fourth proportional to 7,778,247.90, 10,738,013.49 and 5,682,737.25 is: 7,845,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,247.90 : 10,738,013.49 = 5,682,737.25 : x
  2. Step 2: Convert to fraction form
    7,778,247.90/10,738,013.49 = 5,682,737.25/x
  3. Step 3: Cross multiply
    7,778,247.90x = 10,738,013.49 × 5,682,737.25
  4. Step 4: Simplify right side
    7,778,247.90x = 61,021,309,266,605.36
  5. Step 5: Solve for x
    x = 61,021,309,266,605.36/7,778,247.90
  6. Step 6: Final answer
    x = 7,845,122.71

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1.5x scale

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.