Home / 13,322,016.70-18,382,426.36-7,440,926.20

Finding the Fourth Proportional to 13,322,016.70, 18,382,426.36 and 7,440,926.20

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Solution

The fourth proportional to 13,322,016.70, 18,382,426.36 and 7,440,926.20 is: 10,267,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,016.70 : 18,382,426.36 = 7,440,926.20 : x
  2. Step 2: Convert to fraction form
    13,322,016.70/18,382,426.36 = 7,440,926.20/x
  3. Step 3: Cross multiply
    13,322,016.70x = 18,382,426.36 × 7,440,926.20
  4. Step 4: Simplify right side
    13,322,016.70x = 136,782,277,884,490
  5. Step 5: Solve for x
    x = 136,782,277,884,490/13,322,016.70
  6. Step 6: Final answer
    x = 10,267,385.26

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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.