Home / 22,502,526.45-31,053,635.51-12,189,249.51

Finding the Fourth Proportional to 22,502,526.45, 31,053,635.51 and 12,189,249.51

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Solution

The fourth proportional to 22,502,526.45, 31,053,635.51 and 12,189,249.51 is: 16,821,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502,526.45 : 31,053,635.51 = 12,189,249.51 : x
  2. Step 2: Convert to fraction form
    22,502,526.45/31,053,635.51 = 12,189,249.51/x
  3. Step 3: Cross multiply
    22,502,526.45x = 31,053,635.51 × 12,189,249.51
  4. Step 4: Simplify right side
    22,502,526.45x = 378,520,511,423,986.12
  5. Step 5: Solve for x
    x = 378,520,511,423,986.12/22,502,526.45
  6. Step 6: Final answer
    x = 16,821,245.04

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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.