Home / 7,889,568.30-11,834,352.45-4,488,345.90

Finding the Fourth Proportional to 7,889,568.30, 11,834,352.45 and 4,488,345.90

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Solution

The fourth proportional to 7,889,568.30, 11,834,352.45 and 4,488,345.90 is: 6,732,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,568.30 : 11,834,352.45 = 4,488,345.90 : x
  2. Step 2: Convert to fraction form
    7,889,568.30/11,834,352.45 = 4,488,345.90/x
  3. Step 3: Cross multiply
    7,889,568.30x = 11,834,352.45 × 4,488,345.90
  4. Step 4: Simplify right side
    7,889,568.30x = 53,116,667,298,112.45
  5. Step 5: Solve for x
    x = 53,116,667,298,112.45/7,889,568.30
  6. Step 6: Final answer
    x = 6,732,518.85

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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.