Home / 27,006,123.38-37,265,150.13-21,513,485.30

Finding the Fourth Proportional to 27,006,123.38, 37,265,150.13 and 21,513,485.30

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Solution

The fourth proportional to 27,006,123.38, 37,265,150.13 and 21,513,485.30 is: 29,685,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,006,123.38 : 37,265,150.13 = 21,513,485.30 : x
  2. Step 2: Convert to fraction form
    27,006,123.38/37,265,150.13 = 21,513,485.30/x
  3. Step 3: Cross multiply
    27,006,123.38x = 37,265,150.13 × 21,513,485.30
  4. Step 4: Simplify right side
    27,006,123.38x = 801,703,259,524,048.12
  5. Step 5: Solve for x
    x = 801,703,259,524,048.12/27,006,123.38
  6. Step 6: Final answer
    x = 29,685,980.78

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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.