Home / 28,769,839.08-43,085,818.98-20,967,842.40

Finding the Fourth Proportional to 28,769,839.08, 43,085,818.98 and 20,967,842.40

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Solution

The fourth proportional to 28,769,839.08, 43,085,818.98 and 20,967,842.40 is: 31,401,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769,839.08 : 43,085,818.98 = 20,967,842.40 : x
  2. Step 2: Convert to fraction form
    28,769,839.08/43,085,818.98 = 20,967,842.40/x
  3. Step 3: Cross multiply
    28,769,839.08x = 43,085,818.98 × 20,967,842.40
  4. Step 4: Simplify right side
    28,769,839.08x = 903,416,662,047,568.62
  5. Step 5: Solve for x
    x = 903,416,662,047,568.62/28,769,839.08
  6. Step 6: Final answer
    x = 31,401,519.47

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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.