Home / 22,009,748.20-30,374,401.16-12,220,192.88

Finding the Fourth Proportional to 22,009,748.20, 30,374,401.16 and 12,220,192.88

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Solution

The fourth proportional to 22,009,748.20, 30,374,401.16 and 12,220,192.88 is: 16,864,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009,748.20 : 30,374,401.16 = 12,220,192.88 : x
  2. Step 2: Convert to fraction form
    22,009,748.20/30,374,401.16 = 12,220,192.88/x
  3. Step 3: Cross multiply
    22,009,748.20x = 30,374,401.16 × 12,220,192.88
  4. Step 4: Simplify right side
    22,009,748.20x = 371,181,040,789,695.75
  5. Step 5: Solve for x
    x = 371,181,040,789,695.75/22,009,748.20
  6. Step 6: Final answer
    x = 16,864,392.88

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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.