Home / 12,392,376.45-18,595,840.11-5,203,357.53

Finding the Fourth Proportional to 12,392,376.45, 18,595,840.11 and 5,203,357.53

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Solution

The fourth proportional to 12,392,376.45, 18,595,840.11 and 5,203,357.53 is: 7,808,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,376.45 : 18,595,840.11 = 5,203,357.53 : x
  2. Step 2: Convert to fraction form
    12,392,376.45/18,595,840.11 = 5,203,357.53/x
  3. Step 3: Cross multiply
    12,392,376.45x = 18,595,840.11 × 5,203,357.53
  4. Step 4: Simplify right side
    12,392,376.45x = 96,760,804,663,044.53
  5. Step 5: Solve for x
    x = 96,760,804,663,044.53/12,392,376.45
  6. Step 6: Final answer
    x = 7,808,091.13

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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.