Home / 12,021,924.76-16,591,957.50-7,439,722.36

Finding the Fourth Proportional to 12,021,924.76, 16,591,957.50 and 7,439,722.36

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Solution

The fourth proportional to 12,021,924.76, 16,591,957.50 and 7,439,722.36 is: 10,267,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021,924.76 : 16,591,957.50 = 7,439,722.36 : x
  2. Step 2: Convert to fraction form
    12,021,924.76/16,591,957.50 = 7,439,722.36/x
  3. Step 3: Cross multiply
    12,021,924.76x = 16,591,957.50 × 7,439,722.36
  4. Step 4: Simplify right side
    12,021,924.76x = 123,439,557,208,919.70
  5. Step 5: Solve for x
    x = 123,439,557,208,919.70/12,021,924.76
  6. Step 6: Final answer
    x = 10,267,869.72

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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.