Home / 10,689,097.20-16,023,148.20-5,298,579.60

Finding the Fourth Proportional to 10,689,097.20, 16,023,148.20 and 5,298,579.60

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Solution

The fourth proportional to 10,689,097.20, 16,023,148.20 and 5,298,579.60 is: 7,942,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689,097.20 : 16,023,148.20 = 5,298,579.60 : x
  2. Step 2: Convert to fraction form
    10,689,097.20/16,023,148.20 = 5,298,579.60/x
  3. Step 3: Cross multiply
    10,689,097.20x = 16,023,148.20 × 5,298,579.60
  4. Step 4: Simplify right side
    10,689,097.20x = 84,899,926,180,296.70
  5. Step 5: Solve for x
    x = 84,899,926,180,296.70/10,689,097.20
  6. Step 6: Final answer
    x = 7,942,665.75

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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.