Home / 21,793,302.62-30,074,756.19-12,631,259.78

Finding the Fourth Proportional to 21,793,302.62, 30,074,756.19 and 12,631,259.78

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Solution

The fourth proportional to 21,793,302.62, 30,074,756.19 and 12,631,259.78 is: 17,431,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793,302.62 : 30,074,756.19 = 12,631,259.78 : x
  2. Step 2: Convert to fraction form
    21,793,302.62/30,074,756.19 = 12,631,259.78/x
  3. Step 3: Cross multiply
    21,793,302.62x = 30,074,756.19 × 12,631,259.78
  4. Step 4: Simplify right side
    21,793,302.62x = 379,882,058,256,053.06
  5. Step 5: Solve for x
    x = 379,882,058,256,053.06/21,793,302.62
  6. Step 6: Final answer
    x = 17,431,137.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.