Home / 18,725,748.64-28,088,622.94-5,262,576.64

Finding the Fourth Proportional to 18,725,748.64, 28,088,622.94 and 5,262,576.64

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Solution

The fourth proportional to 18,725,748.64, 28,088,622.94 and 5,262,576.64 is: 7,893,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,748.64 : 28,088,622.94 = 5,262,576.64 : x
  2. Step 2: Convert to fraction form
    18,725,748.64/28,088,622.94 = 5,262,576.64/x
  3. Step 3: Cross multiply
    18,725,748.64x = 28,088,622.94 × 5,262,576.64
  4. Step 4: Simplify right side
    18,725,748.64x = 147,818,530,933,812.12
  5. Step 5: Solve for x
    x = 147,818,530,933,812.12/18,725,748.64
  6. Step 6: Final answer
    x = 7,893,864.95

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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.