Home / 7,119,770.87-9,825,053.16-3,979,951.01

Finding the Fourth Proportional to 7,119,770.87, 9,825,053.16 and 3,979,951.01

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Solution

The fourth proportional to 7,119,770.87, 9,825,053.16 and 3,979,951.01 is: 5,492,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,770.87 : 9,825,053.16 = 3,979,951.01 : x
  2. Step 2: Convert to fraction form
    7,119,770.87/9,825,053.16 = 3,979,951.01/x
  3. Step 3: Cross multiply
    7,119,770.87x = 9,825,053.16 × 3,979,951.01
  4. Step 4: Simplify right side
    7,119,770.87x = 39,103,230,256,911.40
  5. Step 5: Solve for x
    x = 39,103,230,256,911.40/7,119,770.87
  6. Step 6: Final answer
    x = 5,492,203.47

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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.