Home / 18,725,747.64-28,088,621.44-5,262,575.64

Finding the Fourth Proportional to 18,725,747.64, 28,088,621.44 and 5,262,575.64

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Solution

The fourth proportional to 18,725,747.64, 28,088,621.44 and 5,262,575.64 is: 7,893,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,747.64 : 28,088,621.44 = 5,262,575.64 : x
  2. Step 2: Convert to fraction form
    18,725,747.64/28,088,621.44 = 5,262,575.64/x
  3. Step 3: Cross multiply
    18,725,747.64x = 28,088,621.44 × 5,262,575.64
  4. Step 4: Simplify right side
    18,725,747.64x = 147,818,494,951,325.72
  5. Step 5: Solve for x
    x = 147,818,494,951,325.72/18,725,747.64
  6. Step 6: Final answer
    x = 7,893,863.45

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Similar ratio
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1.5x scale

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.