Home / 14,128,401.43-21,161,704.29-10,017,260.92

Finding the Fourth Proportional to 14,128,401.43, 21,161,704.29 and 10,017,260.92

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Solution

The fourth proportional to 14,128,401.43, 21,161,704.29 and 10,017,260.92 is: 15,003,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,401.43 : 21,161,704.29 = 10,017,260.92 : x
  2. Step 2: Convert to fraction form
    14,128,401.43/21,161,704.29 = 10,017,260.92/x
  3. Step 3: Cross multiply
    14,128,401.43x = 21,161,704.29 × 10,017,260.92
  4. Step 4: Simplify right side
    14,128,401.43x = 211,982,313,384,813.34
  5. Step 5: Solve for x
    x = 211,982,313,384,813.34/14,128,401.43
  6. Step 6: Final answer
    x = 15,003,984.31

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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.