Home / 51,027,239.76-76,541,164.11-12,688,753.87

Finding the Fourth Proportional to 51,027,239.76, 76,541,164.11 and 12,688,753.87

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Solution

The fourth proportional to 51,027,239.76, 76,541,164.11 and 12,688,753.87 is: 19,033,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,027,239.76 : 76,541,164.11 = 12,688,753.87 : x
  2. Step 2: Convert to fraction form
    51,027,239.76/76,541,164.11 = 12,688,753.87/x
  3. Step 3: Cross multiply
    51,027,239.76x = 76,541,164.11 × 12,688,753.87
  4. Step 4: Simplify right side
    51,027,239.76x = 971,211,992,315,067.50
  5. Step 5: Solve for x
    x = 971,211,992,315,067.50/51,027,239.76
  6. Step 6: Final answer
    x = 19,033,206.52

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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.