Home / 28,508,005.91-39,373,525.04-19,324,705.43

Finding the Fourth Proportional to 28,508,005.91, 39,373,525.04 and 19,324,705.43

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Solution

The fourth proportional to 28,508,005.91, 39,373,525.04 and 19,324,705.43 is: 26,690,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,005.91 : 39,373,525.04 = 19,324,705.43 : x
  2. Step 2: Convert to fraction form
    28,508,005.91/39,373,525.04 = 19,324,705.43/x
  3. Step 3: Cross multiply
    28,508,005.91x = 39,373,525.04 × 19,324,705.43
  4. Step 4: Simplify right side
    28,508,005.91x = 760,881,773,042,105.38
  5. Step 5: Solve for x
    x = 760,881,773,042,105.38/28,508,005.91
  6. Step 6: Final answer
    x = 26,690,108.58

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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.