Home / 9,318,932.39-13,973,721.84-5,429,646.44

Finding the Fourth Proportional to 9,318,932.39, 13,973,721.84 and 5,429,646.44

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Solution

The fourth proportional to 9,318,932.39, 13,973,721.84 and 5,429,646.44 is: 8,141,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,932.39 : 13,973,721.84 = 5,429,646.44 : x
  2. Step 2: Convert to fraction form
    9,318,932.39/13,973,721.84 = 5,429,646.44/x
  3. Step 3: Cross multiply
    9,318,932.39x = 13,973,721.84 × 5,429,646.44
  4. Step 4: Simplify right side
    9,318,932.39x = 75,872,369,042,106.25
  5. Step 5: Solve for x
    x = 75,872,369,042,106.25/9,318,932.39
  6. Step 6: Final answer
    x = 8,141,744.77

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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.