Home / 9,212,818.57-12,713,733.87-5,082,849.52

Finding the Fourth Proportional to 9,212,818.57, 12,713,733.87 and 5,082,849.52

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Solution

The fourth proportional to 9,212,818.57, 12,713,733.87 and 5,082,849.52 is: 7,014,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212,818.57 : 12,713,733.87 = 5,082,849.52 : x
  2. Step 2: Convert to fraction form
    9,212,818.57/12,713,733.87 = 5,082,849.52/x
  3. Step 3: Cross multiply
    9,212,818.57x = 12,713,733.87 × 5,082,849.52
  4. Step 4: Simplify right side
    9,212,818.57x = 64,621,996,098,537.23
  5. Step 5: Solve for x
    x = 64,621,996,098,537.23/9,212,818.57
  6. Step 6: Final answer
    x = 7,014,356.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.