Home / 16,688,930.92-25,041,932.85-7,945,090.31

Finding the Fourth Proportional to 16,688,930.92, 25,041,932.85 and 7,945,090.31

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Solution

The fourth proportional to 16,688,930.92, 25,041,932.85 and 7,945,090.31 is: 11,921,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688,930.92 : 25,041,932.85 = 7,945,090.31 : x
  2. Step 2: Convert to fraction form
    16,688,930.92/25,041,932.85 = 7,945,090.31/x
  3. Step 3: Cross multiply
    16,688,930.92x = 25,041,932.85 × 7,945,090.31
  4. Step 4: Simplify right side
    16,688,930.92x = 198,960,418,030,205.69
  5. Step 5: Solve for x
    x = 198,960,418,030,205.69/16,688,930.92
  6. Step 6: Final answer
    x = 11,921,699.42

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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.