Home / 9,211,390.40-13,792,202.40-7,220,734.40

Finding the Fourth Proportional to 9,211,390.40, 13,792,202.40 and 7,220,734.40

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Solution

The fourth proportional to 9,211,390.40, 13,792,202.40 and 7,220,734.40 is: 10,811,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211,390.40 : 13,792,202.40 = 7,220,734.40 : x
  2. Step 2: Convert to fraction form
    9,211,390.40/13,792,202.40 = 7,220,734.40/x
  3. Step 3: Cross multiply
    9,211,390.40x = 13,792,202.40 × 7,220,734.40
  4. Step 4: Simplify right side
    9,211,390.40x = 99,589,830,321,442.56
  5. Step 5: Solve for x
    x = 99,589,830,321,442.56/9,211,390.40
  6. Step 6: Final answer
    x = 10,811,595.86

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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.