Home / 27,288,670.11-40,938,890.63-7,857,765.33

Finding the Fourth Proportional to 27,288,670.11, 40,938,890.63 and 7,857,765.33

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Solution

The fourth proportional to 27,288,670.11, 40,938,890.63 and 7,857,765.33 is: 11,788,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288,670.11 : 40,938,890.63 = 7,857,765.33 : x
  2. Step 2: Convert to fraction form
    27,288,670.11/40,938,890.63 = 7,857,765.33/x
  3. Step 3: Cross multiply
    27,288,670.11x = 40,938,890.63 × 7,857,765.33
  4. Step 4: Simplify right side
    27,288,670.11x = 321,688,195,401,787.06
  5. Step 5: Solve for x
    x = 321,688,195,401,787.06/27,288,670.11
  6. Step 6: Final answer
    x = 11,788,342.71

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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.