Home / 51,027,240.76-76,541,165.61-12,688,754.87

Finding the Fourth Proportional to 51,027,240.76, 76,541,165.61 and 12,688,754.87

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Solution

The fourth proportional to 51,027,240.76, 76,541,165.61 and 12,688,754.87 is: 19,033,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,027,240.76 : 76,541,165.61 = 12,688,754.87 : x
  2. Step 2: Convert to fraction form
    51,027,240.76/76,541,165.61 = 12,688,754.87/x
  3. Step 3: Cross multiply
    51,027,240.76x = 76,541,165.61 × 12,688,754.87
  4. Step 4: Simplify right side
    51,027,240.76x = 971,212,087,889,364
  5. Step 5: Solve for x
    x = 971,212,087,889,364/51,027,240.76
  6. Step 6: Final answer
    x = 19,033,208.02

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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.