Home / 9,732,078.72-13,429,691.58-5,380,823.52

Finding the Fourth Proportional to 9,732,078.72, 13,429,691.58 and 5,380,823.52

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Solution

The fourth proportional to 9,732,078.72, 13,429,691.58 and 5,380,823.52 is: 7,425,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,732,078.72 : 13,429,691.58 = 5,380,823.52 : x
  2. Step 2: Convert to fraction form
    9,732,078.72/13,429,691.58 = 5,380,823.52/x
  3. Step 3: Cross multiply
    9,732,078.72x = 13,429,691.58 × 5,380,823.52
  4. Step 4: Simplify right side
    9,732,078.72x = 72,262,800,320,009.95
  5. Step 5: Solve for x
    x = 72,262,800,320,009.95/9,732,078.72
  6. Step 6: Final answer
    x = 7,425,217.41

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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.