Home / 17,619,378.80-26,429,068.20-5,653,324.40

Finding the Fourth Proportional to 17,619,378.80, 26,429,068.20 and 5,653,324.40

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Solution

The fourth proportional to 17,619,378.80, 26,429,068.20 and 5,653,324.40 is: 8,479,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619,378.80 : 26,429,068.20 = 5,653,324.40 : x
  2. Step 2: Convert to fraction form
    17,619,378.80/26,429,068.20 = 5,653,324.40/x
  3. Step 3: Cross multiply
    17,619,378.80x = 26,429,068.20 × 5,653,324.40
  4. Step 4: Simplify right side
    17,619,378.80x = 149,412,096,124,324.09
  5. Step 5: Solve for x
    x = 149,412,096,124,324.09/17,619,378.80
  6. Step 6: Final answer
    x = 8,479,986.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.