Home / 13,745,143.98-18,967,192.56-7,944,301.44

Finding the Fourth Proportional to 13,745,143.98, 18,967,192.56 and 7,944,301.44

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Solution

The fourth proportional to 13,745,143.98, 18,967,192.56 and 7,944,301.44 is: 10,962,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,143.98 : 18,967,192.56 = 7,944,301.44 : x
  2. Step 2: Convert to fraction form
    13,745,143.98/18,967,192.56 = 7,944,301.44/x
  3. Step 3: Cross multiply
    13,745,143.98x = 18,967,192.56 × 7,944,301.44
  4. Step 4: Simplify right side
    13,745,143.98x = 150,681,095,167,165.28
  5. Step 5: Solve for x
    x = 150,681,095,167,165.28/13,745,143.98
  6. Step 6: Final answer
    x = 10,962,496.67

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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.