Home / 22,502,525.45-31,053,634.13-12,189,248.51

Finding the Fourth Proportional to 22,502,525.45, 31,053,634.13 and 12,189,248.51

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Solution

The fourth proportional to 22,502,525.45, 31,053,634.13 and 12,189,248.51 is: 16,821,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502,525.45 : 31,053,634.13 = 12,189,248.51 : x
  2. Step 2: Convert to fraction form
    22,502,525.45/31,053,634.13 = 12,189,248.51/x
  3. Step 3: Cross multiply
    22,502,525.45x = 31,053,634.13 × 12,189,248.51
  4. Step 4: Simplify right side
    22,502,525.45x = 378,520,463,424,392.62
  5. Step 5: Solve for x
    x = 378,520,463,424,392.62/22,502,525.45
  6. Step 6: Final answer
    x = 16,821,243.66

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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.