Home / 12,128,977.52-16,737,764.46-6,901,869.83

Finding the Fourth Proportional to 12,128,977.52, 16,737,764.46 and 6,901,869.83

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Solution

The fourth proportional to 12,128,977.52, 16,737,764.46 and 6,901,869.83 is: 9,524,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,977.52 : 16,737,764.46 = 6,901,869.83 : x
  2. Step 2: Convert to fraction form
    12,128,977.52/16,737,764.46 = 6,901,869.83/x
  3. Step 3: Cross multiply
    12,128,977.52x = 16,737,764.46 × 6,901,869.83
  4. Step 4: Simplify right side
    12,128,977.52x = 115,521,871,464,431.42
  5. Step 5: Solve for x
    x = 115,521,871,464,431.42/12,128,977.52
  6. Step 6: Final answer
    x = 9,524,452.60

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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.