Home / 12,085,805.53-18,129,208.57-3,566,142

Finding the Fourth Proportional to 12,085,805.53, 18,129,208.57 and 3,566,142

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Solution

The fourth proportional to 12,085,805.53, 18,129,208.57 and 3,566,142 is: 5,349,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,805.53 : 18,129,208.57 = 3,566,142 : x
  2. Step 2: Convert to fraction form
    12,085,805.53/18,129,208.57 = 3,566,142/x
  3. Step 3: Cross multiply
    12,085,805.53x = 18,129,208.57 × 3,566,142
  4. Step 4: Simplify right side
    12,085,805.53x = 64,651,332,119,381.14
  5. Step 5: Solve for x
    x = 64,651,332,119,381.14/12,085,805.53
  6. Step 6: Final answer
    x = 5,349,360.62

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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.