Home / 7,516,745.28-10,373,108.49-4,078,986.31

Finding the Fourth Proportional to 7,516,745.28, 10,373,108.49 and 4,078,986.31

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Solution

The fourth proportional to 7,516,745.28, 10,373,108.49 and 4,078,986.31 is: 5,629,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516,745.28 : 10,373,108.49 = 4,078,986.31 : x
  2. Step 2: Convert to fraction form
    7,516,745.28/10,373,108.49 = 4,078,986.31/x
  3. Step 3: Cross multiply
    7,516,745.28x = 10,373,108.49 × 4,078,986.31
  4. Step 4: Simplify right side
    7,516,745.28x = 42,311,767,535,821.16
  5. Step 5: Solve for x
    x = 42,311,767,535,821.16/7,516,745.28
  6. Step 6: Final answer
    x = 5,629,001.11

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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.