Home / 12,623,620.64-17,420,676.36-6,822,388.76

Finding the Fourth Proportional to 12,623,620.64, 17,420,676.36 and 6,822,388.76

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Solution

The fourth proportional to 12,623,620.64, 17,420,676.36 and 6,822,388.76 is: 9,414,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623,620.64 : 17,420,676.36 = 6,822,388.76 : x
  2. Step 2: Convert to fraction form
    12,623,620.64/17,420,676.36 = 6,822,388.76/x
  3. Step 3: Cross multiply
    12,623,620.64x = 17,420,676.36 × 6,822,388.76
  4. Step 4: Simplify right side
    12,623,620.64x = 118,850,626,590,061.70
  5. Step 5: Solve for x
    x = 118,850,626,590,061.70/12,623,620.64
  6. Step 6: Final answer
    x = 9,414,939.66

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1.5x scale

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.