Home / 15,642,955.72-23,459,640.71-10,816,279.12

Finding the Fourth Proportional to 15,642,955.72, 23,459,640.71 and 10,816,279.12

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Solution

The fourth proportional to 15,642,955.72, 23,459,640.71 and 10,816,279.12 is: 16,221,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642,955.72 : 23,459,640.71 = 10,816,279.12 : x
  2. Step 2: Convert to fraction form
    15,642,955.72/23,459,640.71 = 10,816,279.12/x
  3. Step 3: Cross multiply
    15,642,955.72x = 23,459,640.71 × 10,816,279.12
  4. Step 4: Simplify right side
    15,642,955.72x = 253,746,021,861,544.44
  5. Step 5: Solve for x
    x = 253,746,021,861,544.44/15,642,955.72
  6. Step 6: Final answer
    x = 16,221,104.66

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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.