Home / 20,735,783.29-28,626,138.57-15,147,755.29

Finding the Fourth Proportional to 20,735,783.29, 28,626,138.57 and 15,147,755.29

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Solution

The fourth proportional to 20,735,783.29, 28,626,138.57 and 15,147,755.29 is: 20,911,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,783.29 : 28,626,138.57 = 15,147,755.29 : x
  2. Step 2: Convert to fraction form
    20,735,783.29/28,626,138.57 = 15,147,755.29/x
  3. Step 3: Cross multiply
    20,735,783.29x = 28,626,138.57 × 15,147,755.29
  4. Step 4: Simplify right side
    20,735,783.29x = 433,621,741,955,990.50
  5. Step 5: Solve for x
    x = 433,621,741,955,990.50/20,735,783.29
  6. Step 6: Final answer
    x = 20,911,760.89

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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.