Home / 5,388,488.73-8,078,440.50-3,111,428.07

Finding the Fourth Proportional to 5,388,488.73, 8,078,440.50 and 3,111,428.07

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Solution

The fourth proportional to 5,388,488.73, 8,078,440.50 and 3,111,428.07 is: 4,664,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,488.73 : 8,078,440.50 = 3,111,428.07 : x
  2. Step 2: Convert to fraction form
    5,388,488.73/8,078,440.50 = 3,111,428.07/x
  3. Step 3: Cross multiply
    5,388,488.73x = 8,078,440.50 × 3,111,428.07
  4. Step 4: Simplify right side
    5,388,488.73x = 25,135,486,533,524.83
  5. Step 5: Solve for x
    x = 25,135,486,533,524.83/5,388,488.73
  6. Step 6: Final answer
    x = 4,664,663.47

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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.