Home / 13,083,758.76-18,055,587.90-7,282,416.05

Finding the Fourth Proportional to 13,083,758.76, 18,055,587.90 and 7,282,416.05

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Solution

The fourth proportional to 13,083,758.76, 18,055,587.90 and 7,282,416.05 is: 10,049,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083,758.76 : 18,055,587.90 = 7,282,416.05 : x
  2. Step 2: Convert to fraction form
    13,083,758.76/18,055,587.90 = 7,282,416.05/x
  3. Step 3: Cross multiply
    13,083,758.76x = 18,055,587.90 × 7,282,416.05
  4. Step 4: Simplify right side
    13,083,758.76x = 131,488,303,024,867.84
  5. Step 5: Solve for x
    x = 131,488,303,024,867.84/13,083,758.76
  6. Step 6: Final answer
    x = 10,049,734.59

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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.