Home / 15,979,118.70-22,051,281.13-8,636,933.24

Finding the Fourth Proportional to 15,979,118.70, 22,051,281.13 and 8,636,933.24

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Solution

The fourth proportional to 15,979,118.70, 22,051,281.13 and 8,636,933.24 is: 11,919,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979,118.70 : 22,051,281.13 = 8,636,933.24 : x
  2. Step 2: Convert to fraction form
    15,979,118.70/22,051,281.13 = 8,636,933.24/x
  3. Step 3: Cross multiply
    15,979,118.70x = 22,051,281.13 × 8,636,933.24
  4. Step 4: Simplify right side
    15,979,118.70x = 190,455,442,844,433.03
  5. Step 5: Solve for x
    x = 190,455,442,844,433.03/15,979,118.70
  6. Step 6: Final answer
    x = 11,919,020.47

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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.