Home / 7,145,087.33-9,860,167.41-3,881,928.87

Finding the Fourth Proportional to 7,145,087.33, 9,860,167.41 and 3,881,928.87

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Solution

The fourth proportional to 7,145,087.33, 9,860,167.41 and 3,881,928.87 is: 5,357,032.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,087.33 : 9,860,167.41 = 3,881,928.87 : x
  2. Step 2: Convert to fraction form
    7,145,087.33/9,860,167.41 = 3,881,928.87/x
  3. Step 3: Cross multiply
    7,145,087.33x = 9,860,167.41 × 3,881,928.87
  4. Step 4: Simplify right side
    7,145,087.33x = 38,276,468,566,923.45
  5. Step 5: Solve for x
    x = 38,276,468,566,923.45/7,145,087.33
  6. Step 6: Final answer
    x = 5,357,032.99

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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.