Home / 8,447,786-11,657,874.36-4,777,423.20

Finding the Fourth Proportional to 8,447,786, 11,657,874.36 and 4,777,423.20

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Solution

The fourth proportional to 8,447,786, 11,657,874.36 and 4,777,423.20 is: 6,592,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447,786 : 11,657,874.36 = 4,777,423.20 : x
  2. Step 2: Convert to fraction form
    8,447,786/11,657,874.36 = 4,777,423.20/x
  3. Step 3: Cross multiply
    8,447,786x = 11,657,874.36 × 4,777,423.20
  4. Step 4: Simplify right side
    8,447,786x = 55,694,599,430,149.15
  5. Step 5: Solve for x
    x = 55,694,599,430,149.15/8,447,786
  6. Step 6: Final answer
    x = 6,592,804.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.