Home / 14,170,279.70-19,554,356.88-7,891,130.88

Finding the Fourth Proportional to 14,170,279.70, 19,554,356.88 and 7,891,130.88

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Solution

The fourth proportional to 14,170,279.70, 19,554,356.88 and 7,891,130.88 is: 10,889,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170,279.70 : 19,554,356.88 = 7,891,130.88 : x
  2. Step 2: Convert to fraction form
    14,170,279.70/19,554,356.88 = 7,891,130.88/x
  3. Step 3: Cross multiply
    14,170,279.70x = 19,554,356.88 × 7,891,130.88
  4. Step 4: Simplify right side
    14,170,279.70x = 154,305,989,414,308.44
  5. Step 5: Solve for x
    x = 154,305,989,414,308.44/14,170,279.70
  6. Step 6: Final answer
    x = 10,889,410.28

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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.