Home / 7,938,055-11,892,098.94-4,689,900.64

Finding the Fourth Proportional to 7,938,055, 11,892,098.94 and 4,689,900.64

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Solution

The fourth proportional to 7,938,055, 11,892,098.94 and 4,689,900.64 is: 7,025,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,055 : 11,892,098.94 = 4,689,900.64 : x
  2. Step 2: Convert to fraction form
    7,938,055/11,892,098.94 = 4,689,900.64/x
  3. Step 3: Cross multiply
    7,938,055x = 11,892,098.94 × 4,689,900.64
  4. Step 4: Simplify right side
    7,938,055x = 55,772,762,429,649.31
  5. Step 5: Solve for x
    x = 55,772,762,429,649.31/7,938,055
  6. Step 6: Final answer
    x = 7,025,998.49

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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.