Home / 7,137,107.40-9,849,218.40-3,873,923.40

Finding the Fourth Proportional to 7,137,107.40, 9,849,218.40 and 3,873,923.40

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Solution

The fourth proportional to 7,137,107.40, 9,849,218.40 and 3,873,923.40 is: 5,346,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,107.40 : 9,849,218.40 = 3,873,923.40 : x
  2. Step 2: Convert to fraction form
    7,137,107.40/9,849,218.40 = 3,873,923.40/x
  3. Step 3: Cross multiply
    7,137,107.40x = 9,849,218.40 × 3,873,923.40
  4. Step 4: Simplify right side
    7,137,107.40x = 38,155,117,631,470.56
  5. Step 5: Solve for x
    x = 38,155,117,631,470.56/7,137,107.40
  6. Step 6: Final answer
    x = 5,346,019.82

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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.