Home / 13,558,649.34-18,713,651.76-8,055,080.85

Finding the Fourth Proportional to 13,558,649.34, 18,713,651.76 and 8,055,080.85

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Solution

The fourth proportional to 13,558,649.34, 18,713,651.76 and 8,055,080.85 is: 11,117,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,649.34 : 18,713,651.76 = 8,055,080.85 : x
  2. Step 2: Convert to fraction form
    13,558,649.34/18,713,651.76 = 8,055,080.85/x
  3. Step 3: Cross multiply
    13,558,649.34x = 18,713,651.76 × 8,055,080.85
  4. Step 4: Simplify right side
    13,558,649.34x = 150,739,977,925,544.81
  5. Step 5: Solve for x
    x = 150,739,977,925,544.81/13,558,649.34
  6. Step 6: Final answer
    x = 11,117,624.93

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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.