Home / 15,526,796.40-21,426,700.91-8,462,453.22

Finding the Fourth Proportional to 15,526,796.40, 21,426,700.91 and 8,462,453.22

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Solution

The fourth proportional to 15,526,796.40, 21,426,700.91 and 8,462,453.22 is: 11,678,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526,796.40 : 21,426,700.91 = 8,462,453.22 : x
  2. Step 2: Convert to fraction form
    15,526,796.40/21,426,700.91 = 8,462,453.22/x
  3. Step 3: Cross multiply
    15,526,796.40x = 21,426,700.91 × 8,462,453.22
  4. Step 4: Simplify right side
    15,526,796.40x = 181,322,454,067,494.19
  5. Step 5: Solve for x
    x = 181,322,454,067,494.19/15,526,796.40
  6. Step 6: Final answer
    x = 11,678,033.86

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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.