Home / 22,400,057.72-30,910,477.02-12,609,995.96

Finding the Fourth Proportional to 22,400,057.72, 30,910,477.02 and 12,609,995.96

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Solution

The fourth proportional to 22,400,057.72, 30,910,477.02 and 12,609,995.96 is: 17,400,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,400,057.72 : 30,910,477.02 = 12,609,995.96 : x
  2. Step 2: Convert to fraction form
    22,400,057.72/30,910,477.02 = 12,609,995.96/x
  3. Step 3: Cross multiply
    22,400,057.72x = 30,910,477.02 × 12,609,995.96
  4. Step 4: Simplify right side
    22,400,057.72x = 389,780,990,343,872.88
  5. Step 5: Solve for x
    x = 389,780,990,343,872.88/22,400,057.72
  6. Step 6: Final answer
    x = 17,400,892.23

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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.