Home / 12,298,511.80-18,447,767.70-4,725,659.80

Finding the Fourth Proportional to 12,298,511.80, 18,447,767.70 and 4,725,659.80

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Solution

The fourth proportional to 12,298,511.80, 18,447,767.70 and 4,725,659.80 is: 7,088,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,511.80 : 18,447,767.70 = 4,725,659.80 : x
  2. Step 2: Convert to fraction form
    12,298,511.80/18,447,767.70 = 4,725,659.80/x
  3. Step 3: Cross multiply
    12,298,511.80x = 18,447,767.70 × 4,725,659.80
  4. Step 4: Simplify right side
    12,298,511.80x = 87,177,874,219,628.45
  5. Step 5: Solve for x
    x = 87,177,874,219,628.45/12,298,511.80
  6. Step 6: Final answer
    x = 7,088,489.70

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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.