Home / 9,219,530.70-13,839,793.65-5,435,145.90

Finding the Fourth Proportional to 9,219,530.70, 13,839,793.65 and 5,435,145.90

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Solution

The fourth proportional to 9,219,530.70, 13,839,793.65 and 5,435,145.90 is: 8,158,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,530.70 : 13,839,793.65 = 5,435,145.90 : x
  2. Step 2: Convert to fraction form
    9,219,530.70/13,839,793.65 = 5,435,145.90/x
  3. Step 3: Cross multiply
    9,219,530.70x = 13,839,793.65 × 5,435,145.90
  4. Step 4: Simplify right side
    9,219,530.70x = 75,221,297,713,643.55
  5. Step 5: Solve for x
    x = 75,221,297,713,643.55/9,219,530.70
  6. Step 6: Final answer
    x = 8,158,907.45

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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.