Home / 7,239,443.72-9,986,737.02-4,623,197.72

Finding the Fourth Proportional to 7,239,443.72, 9,986,737.02 and 4,623,197.72

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Solution

The fourth proportional to 7,239,443.72, 9,986,737.02 and 4,623,197.72 is: 6,377,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,443.72 : 9,986,737.02 = 4,623,197.72 : x
  2. Step 2: Convert to fraction form
    7,239,443.72/9,986,737.02 = 4,623,197.72/x
  3. Step 3: Cross multiply
    7,239,443.72x = 9,986,737.02 × 4,623,197.72
  4. Step 4: Simplify right side
    7,239,443.72x = 46,170,659,821,103.59
  5. Step 5: Solve for x
    x = 46,170,659,821,103.59/7,239,443.72
  6. Step 6: Final answer
    x = 6,377,652.98

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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.