Home / 13,718,010.21-18,936,179.78-10,290,223.05

Finding the Fourth Proportional to 13,718,010.21, 18,936,179.78 and 10,290,223.05

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Solution

The fourth proportional to 13,718,010.21, 18,936,179.78 and 10,290,223.05 is: 14,204,502.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718,010.21 : 18,936,179.78 = 10,290,223.05 : x
  2. Step 2: Convert to fraction form
    13,718,010.21/18,936,179.78 = 10,290,223.05/x
  3. Step 3: Cross multiply
    13,718,010.21x = 18,936,179.78 × 10,290,223.05
  4. Step 4: Simplify right side
    13,718,010.21x = 194,857,513,599,648.81
  5. Step 5: Solve for x
    x = 194,857,513,599,648.81/13,718,010.21
  6. Step 6: Final answer
    x = 14,204,502.74

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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.