Home / 15,290,010.24-21,099,790-8,675,802.96

Finding the Fourth Proportional to 15,290,010.24, 21,099,790 and 8,675,802.96

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Solution

The fourth proportional to 15,290,010.24, 21,099,790 and 8,675,802.96 is: 11,972,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,010.24 : 21,099,790 = 8,675,802.96 : x
  2. Step 2: Convert to fraction form
    15,290,010.24/21,099,790 = 8,675,802.96/x
  3. Step 3: Cross multiply
    15,290,010.24x = 21,099,790 × 8,675,802.96
  4. Step 4: Simplify right side
    15,290,010.24x = 183,057,620,537,378.41
  5. Step 5: Solve for x
    x = 183,057,620,537,378.41/15,290,010.24
  6. Step 6: Final answer
    x = 11,972,367.43

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1.5x scale

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.