Home / 28,085,917.46-42,133,487.09-8,655,146.73

Finding the Fourth Proportional to 28,085,917.46, 42,133,487.09 and 8,655,146.73

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Solution

The fourth proportional to 28,085,917.46, 42,133,487.09 and 8,655,146.73 is: 12,984,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,917.46 : 42,133,487.09 = 8,655,146.73 : x
  2. Step 2: Convert to fraction form
    28,085,917.46/42,133,487.09 = 8,655,146.73/x
  3. Step 3: Cross multiply
    28,085,917.46x = 42,133,487.09 × 8,655,146.73
  4. Step 4: Simplify right side
    28,085,917.46x = 364,671,512,967,235
  5. Step 5: Solve for x
    x = 364,671,512,967,235/28,085,917.46
  6. Step 6: Final answer
    x = 12,984,141.02

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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.