Home / 12,015,857.69-16,581,812.63-6,509,337.48

Finding the Fourth Proportional to 12,015,857.69, 16,581,812.63 and 6,509,337.48

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Solution

The fourth proportional to 12,015,857.69, 16,581,812.63 and 6,509,337.48 is: 8,982,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,857.69 : 16,581,812.63 = 6,509,337.48 : x
  2. Step 2: Convert to fraction form
    12,015,857.69/16,581,812.63 = 6,509,337.48/x
  3. Step 3: Cross multiply
    12,015,857.69x = 16,581,812.63 × 6,509,337.48
  4. Step 4: Simplify right side
    12,015,857.69x = 107,936,614,406,249.69
  5. Step 5: Solve for x
    x = 107,936,614,406,249.69/12,015,857.69
  6. Step 6: Final answer
    x = 8,982,847.27

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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.