Home / 19,211,435.52-28,815,023.52-4,834,507.20

Finding the Fourth Proportional to 19,211,435.52, 28,815,023.52 and 4,834,507.20

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Solution

The fourth proportional to 19,211,435.52, 28,815,023.52 and 4,834,507.20 is: 7,251,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,435.52 : 28,815,023.52 = 4,834,507.20 : x
  2. Step 2: Convert to fraction form
    19,211,435.52/28,815,023.52 = 4,834,507.20/x
  3. Step 3: Cross multiply
    19,211,435.52x = 28,815,023.52 × 4,834,507.20
  4. Step 4: Simplify right side
    19,211,435.52x = 139,306,438,675,609.34
  5. Step 5: Solve for x
    x = 139,306,438,675,609.34/19,211,435.52
  6. Step 6: Final answer
    x = 7,251,224.85

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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.