Home / 12,899,276.32-17,800,463.46-7,018,933.36

Finding the Fourth Proportional to 12,899,276.32, 17,800,463.46 and 7,018,933.36

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Solution

The fourth proportional to 12,899,276.32, 17,800,463.46 and 7,018,933.36 is: 9,685,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899,276.32 : 17,800,463.46 = 7,018,933.36 : x
  2. Step 2: Convert to fraction form
    12,899,276.32/17,800,463.46 = 7,018,933.36/x
  3. Step 3: Cross multiply
    12,899,276.32x = 17,800,463.46 × 7,018,933.36
  4. Step 4: Simplify right side
    12,899,276.32x = 124,940,266,802,855.03
  5. Step 5: Solve for x
    x = 124,940,266,802,855.03/12,899,276.32
  6. Step 6: Final answer
    x = 9,685,835.37

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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.