Home / 13,048,493.23-18,006,422.61-7,247,647.05

Finding the Fourth Proportional to 13,048,493.23, 18,006,422.61 and 7,247,647.05

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Solution

The fourth proportional to 13,048,493.23, 18,006,422.61 and 7,247,647.05 is: 10,001,476.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,493.23 : 18,006,422.61 = 7,247,647.05 : x
  2. Step 2: Convert to fraction form
    13,048,493.23/18,006,422.61 = 7,247,647.05/x
  3. Step 3: Cross multiply
    13,048,493.23x = 18,006,422.61 × 7,247,647.05
  4. Step 4: Simplify right side
    13,048,493.23x = 130,504,195,710,419.80
  5. Step 5: Solve for x
    x = 130,504,195,710,419.80/13,048,493.23
  6. Step 6: Final answer
    x = 10,001,476.29

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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.