Home / 12,830,898.38-17,702,280.34-7,320,314.48

Finding the Fourth Proportional to 12,830,898.38, 17,702,280.34 and 7,320,314.48

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Solution

The fourth proportional to 12,830,898.38, 17,702,280.34 and 7,320,314.48 is: 10,099,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,898.38 : 17,702,280.34 = 7,320,314.48 : x
  2. Step 2: Convert to fraction form
    12,830,898.38/17,702,280.34 = 7,320,314.48/x
  3. Step 3: Cross multiply
    12,830,898.38x = 17,702,280.34 × 7,320,314.48
  4. Step 4: Simplify right side
    12,830,898.38x = 129,586,258,995,109.12
  5. Step 5: Solve for x
    x = 129,586,258,995,109.12/12,830,898.38
  6. Step 6: Final answer
    x = 10,099,546.83

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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.