Home / 9,318,930.89-13,973,719.59-5,429,644.94

Finding the Fourth Proportional to 9,318,930.89, 13,973,719.59 and 5,429,644.94

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Solution

The fourth proportional to 9,318,930.89, 13,973,719.59 and 5,429,644.94 is: 8,141,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,930.89 : 13,973,719.59 = 5,429,644.94 : x
  2. Step 2: Convert to fraction form
    9,318,930.89/13,973,719.59 = 5,429,644.94/x
  3. Step 3: Cross multiply
    9,318,930.89x = 13,973,719.59 × 5,429,644.94
  4. Step 4: Simplify right side
    9,318,930.89x = 75,872,335,864,822.38
  5. Step 5: Solve for x
    x = 75,872,335,864,822.38/9,318,930.89
  6. Step 6: Final answer
    x = 8,141,742.52

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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.