Home / 13,325,399.31-18,389,092.46-7,213,813.23

Finding the Fourth Proportional to 13,325,399.31, 18,389,092.46 and 7,213,813.23

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Solution

The fourth proportional to 13,325,399.31, 18,389,092.46 and 7,213,813.23 is: 9,955,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,399.31 : 18,389,092.46 = 7,213,813.23 : x
  2. Step 2: Convert to fraction form
    13,325,399.31/18,389,092.46 = 7,213,813.23/x
  3. Step 3: Cross multiply
    13,325,399.31x = 18,389,092.46 × 7,213,813.23
  4. Step 4: Simplify right side
    13,325,399.31x = 132,655,478,439,572.17
  5. Step 5: Solve for x
    x = 132,655,478,439,572.17/13,325,399.31
  6. Step 6: Final answer
    x = 9,955,084.67

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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.