Home / 22,230,811.17-30,677,859.28-12,308,135.21

Finding the Fourth Proportional to 22,230,811.17, 30,677,859.28 and 12,308,135.21

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Solution

The fourth proportional to 22,230,811.17, 30,677,859.28 and 12,308,135.21 is: 16,984,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230,811.17 : 30,677,859.28 = 12,308,135.21 : x
  2. Step 2: Convert to fraction form
    22,230,811.17/30,677,859.28 = 12,308,135.21/x
  3. Step 3: Cross multiply
    22,230,811.17x = 30,677,859.28 × 12,308,135.21
  4. Step 4: Simplify right side
    22,230,811.17x = 377,587,239,971,593.31
  5. Step 5: Solve for x
    x = 377,587,239,971,593.31/22,230,811.17
  6. Step 6: Final answer
    x = 16,984,861.10

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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.