Home / 12,217,864.48-16,846,835.64-7,801,783.36

Finding the Fourth Proportional to 12,217,864.48, 16,846,835.64 and 7,801,783.36

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Solution

The fourth proportional to 12,217,864.48, 16,846,835.64 and 7,801,783.36 is: 10,757,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,864.48 : 16,846,835.64 = 7,801,783.36 : x
  2. Step 2: Convert to fraction form
    12,217,864.48/16,846,835.64 = 7,801,783.36/x
  3. Step 3: Cross multiply
    12,217,864.48x = 16,846,835.64 × 7,801,783.36
  4. Step 4: Simplify right side
    12,217,864.48x = 131,435,361,964,806.95
  5. Step 5: Solve for x
    x = 131,435,361,964,806.95/12,217,864.48
  6. Step 6: Final answer
    x = 10,757,637.90

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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.