Home / 8,129,226.24-11,219,256-4,692,389.76

Finding the Fourth Proportional to 8,129,226.24, 11,219,256 and 4,692,389.76

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Solution

The fourth proportional to 8,129,226.24, 11,219,256 and 4,692,389.76 is: 6,476,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,226.24 : 11,219,256 = 4,692,389.76 : x
  2. Step 2: Convert to fraction form
    8,129,226.24/11,219,256 = 4,692,389.76/x
  3. Step 3: Cross multiply
    8,129,226.24x = 11,219,256 × 4,692,389.76
  4. Step 4: Simplify right side
    8,129,226.24x = 52,645,121,969,218.55
  5. Step 5: Solve for x
    x = 52,645,121,969,218.55/8,129,226.24
  6. Step 6: Final answer
    x = 6,476,031.10

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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.