Home / 20,734,148.70-31,078,413.45-7,264,043.10

Finding the Fourth Proportional to 20,734,148.70, 31,078,413.45 and 7,264,043.10

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Solution

The fourth proportional to 20,734,148.70, 31,078,413.45 and 7,264,043.10 is: 10,888,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,148.70 : 31,078,413.45 = 7,264,043.10 : x
  2. Step 2: Convert to fraction form
    20,734,148.70/31,078,413.45 = 7,264,043.10/x
  3. Step 3: Cross multiply
    20,734,148.70x = 31,078,413.45 × 7,264,043.10
  4. Step 4: Simplify right side
    20,734,148.70x = 225,754,934,780,419.69
  5. Step 5: Solve for x
    x = 225,754,934,780,419.69/20,734,148.70
  6. Step 6: Final answer
    x = 10,888,073.49

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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.