Home / 10,127,964.20-13,976,589.51-5,481,748.41

Finding the Fourth Proportional to 10,127,964.20, 13,976,589.51 and 5,481,748.41

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Solution

The fourth proportional to 10,127,964.20, 13,976,589.51 and 5,481,748.41 is: 7,564,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127,964.20 : 13,976,589.51 = 5,481,748.41 : x
  2. Step 2: Convert to fraction form
    10,127,964.20/13,976,589.51 = 5,481,748.41/x
  3. Step 3: Cross multiply
    10,127,964.20x = 13,976,589.51 × 5,481,748.41
  4. Step 4: Simplify right side
    10,127,964.20x = 76,616,147,286,673.12
  5. Step 5: Solve for x
    x = 76,616,147,286,673.12/10,127,964.20
  6. Step 6: Final answer
    x = 7,564,812.22

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1.5x scale

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.