Home / 7,113,110.19-9,815,047.24-3,972,986.92

Finding the Fourth Proportional to 7,113,110.19, 9,815,047.24 and 3,972,986.92

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Solution

The fourth proportional to 7,113,110.19, 9,815,047.24 and 3,972,986.92 is: 5,482,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,110.19 : 9,815,047.24 = 3,972,986.92 : x
  2. Step 2: Convert to fraction form
    7,113,110.19/9,815,047.24 = 3,972,986.92/x
  3. Step 3: Cross multiply
    7,113,110.19x = 9,815,047.24 × 3,972,986.92
  4. Step 4: Simplify right side
    7,113,110.19x = 38,995,054,303,702.10
  5. Step 5: Solve for x
    x = 38,995,054,303,702.10/7,113,110.19
  6. Step 6: Final answer
    x = 5,482,138.37

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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.