Home / 13,492,071.40-20,231,108.70-4,968,020.20

Finding the Fourth Proportional to 13,492,071.40, 20,231,108.70 and 4,968,020.20

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Solution

The fourth proportional to 13,492,071.40, 20,231,108.70 and 4,968,020.20 is: 7,449,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492,071.40 : 20,231,108.70 = 4,968,020.20 : x
  2. Step 2: Convert to fraction form
    13,492,071.40/20,231,108.70 = 4,968,020.20/x
  3. Step 3: Cross multiply
    13,492,071.40x = 20,231,108.70 × 4,968,020.20
  4. Step 4: Simplify right side
    13,492,071.40x = 100,508,556,689,995.73
  5. Step 5: Solve for x
    x = 100,508,556,689,995.73/13,492,071.40
  6. Step 6: Final answer
    x = 7,449,453.36

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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.