Home / 12,800,942.30-19,198,217.51-5,021,437.84

Finding the Fourth Proportional to 12,800,942.30, 19,198,217.51 and 5,021,437.84

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Solution

The fourth proportional to 12,800,942.30, 19,198,217.51 and 5,021,437.84 is: 7,530,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800,942.30 : 19,198,217.51 = 5,021,437.84 : x
  2. Step 2: Convert to fraction form
    12,800,942.30/19,198,217.51 = 5,021,437.84/x
  3. Step 3: Cross multiply
    12,800,942.30x = 19,198,217.51 × 5,021,437.84
  4. Step 4: Simplify right side
    12,800,942.30x = 96,402,655,744,166.30
  5. Step 5: Solve for x
    x = 96,402,655,744,166.30/12,800,942.30
  6. Step 6: Final answer
    x = 7,530,903.08

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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.