Home / 19,870,280.75-27,421,310.97-10,929,744.27

Finding the Fourth Proportional to 19,870,280.75, 27,421,310.97 and 10,929,744.27

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Solution

The fourth proportional to 19,870,280.75, 27,421,310.97 and 10,929,744.27 is: 15,083,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,870,280.75 : 27,421,310.97 = 10,929,744.27 : x
  2. Step 2: Convert to fraction form
    19,870,280.75/27,421,310.97 = 10,929,744.27/x
  3. Step 3: Cross multiply
    19,870,280.75x = 27,421,310.97 × 10,929,744.27
  4. Step 4: Simplify right side
    19,870,280.75x = 299,707,916,450,245.62
  5. Step 5: Solve for x
    x = 299,707,916,450,245.62/19,870,280.75
  6. Step 6: Final answer
    x = 15,083,225.05

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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.