Home / 15,686,369.14-21,646,717.77-8,717,023.30

Finding the Fourth Proportional to 15,686,369.14, 21,646,717.77 and 8,717,023.30

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Solution

The fourth proportional to 15,686,369.14, 21,646,717.77 and 8,717,023.30 is: 12,029,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686,369.14 : 21,646,717.77 = 8,717,023.30 : x
  2. Step 2: Convert to fraction form
    15,686,369.14/21,646,717.77 = 8,717,023.30/x
  3. Step 3: Cross multiply
    15,686,369.14x = 21,646,717.77 × 8,717,023.30
  4. Step 4: Simplify right side
    15,686,369.14x = 188,694,943,169,614.06
  5. Step 5: Solve for x
    x = 188,694,943,169,614.06/15,686,369.14
  6. Step 6: Final answer
    x = 12,029,230.06

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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.