Home / 13,781,094-20,671,825.32-4,325,478

Finding the Fourth Proportional to 13,781,094, 20,671,825.32 and 4,325,478

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Solution

The fourth proportional to 13,781,094, 20,671,825.32 and 4,325,478 is: 6,488,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,094 : 20,671,825.32 = 4,325,478 : x
  2. Step 2: Convert to fraction form
    13,781,094/20,671,825.32 = 4,325,478/x
  3. Step 3: Cross multiply
    13,781,094x = 20,671,825.32 × 4,325,478
  4. Step 4: Simplify right side
    13,781,094x = 89,415,525,641,502.97
  5. Step 5: Solve for x
    x = 89,415,525,641,502.97/13,781,094
  6. Step 6: Final answer
    x = 6,488,274.85

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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.