Home / 12,495,703.68-18,722,158.56-6,819,910.56

Finding the Fourth Proportional to 12,495,703.68, 18,722,158.56 and 6,819,910.56

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Solution

The fourth proportional to 12,495,703.68, 18,722,158.56 and 6,819,910.56 is: 10,218,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495,703.68 : 18,722,158.56 = 6,819,910.56 : x
  2. Step 2: Convert to fraction form
    12,495,703.68/18,722,158.56 = 6,819,910.56/x
  3. Step 3: Cross multiply
    12,495,703.68x = 18,722,158.56 × 6,819,910.56
  4. Step 4: Simplify right side
    12,495,703.68x = 127,683,446,869,338.38
  5. Step 5: Solve for x
    x = 127,683,446,869,338.38/12,495,703.68
  6. Step 6: Final answer
    x = 10,218,187.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.