Home / 12,015,859.19-16,581,814.70-6,509,338.98

Finding the Fourth Proportional to 12,015,859.19, 16,581,814.70 and 6,509,338.98

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Solution

The fourth proportional to 12,015,859.19, 16,581,814.70 and 6,509,338.98 is: 8,982,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,859.19 : 16,581,814.70 = 6,509,338.98 : x
  2. Step 2: Convert to fraction form
    12,015,859.19/16,581,814.70 = 6,509,338.98/x
  3. Step 3: Cross multiply
    12,015,859.19x = 16,581,814.70 × 6,509,338.98
  4. Step 4: Simplify right side
    12,015,859.19x = 107,936,652,753,300.33
  5. Step 5: Solve for x
    x = 107,936,652,753,300.33/12,015,859.19
  6. Step 6: Final answer
    x = 8,982,849.34

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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.