Home / 19,700,250.72-27,188,853.84-11,438,668.32

Finding the Fourth Proportional to 19,700,250.72, 27,188,853.84 and 11,438,668.32

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Solution

The fourth proportional to 19,700,250.72, 27,188,853.84 and 11,438,668.32 is: 15,786,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700,250.72 : 27,188,853.84 = 11,438,668.32 : x
  2. Step 2: Convert to fraction form
    19,700,250.72/27,188,853.84 = 11,438,668.32/x
  3. Step 3: Cross multiply
    19,700,250.72x = 27,188,853.84 × 11,438,668.32
  4. Step 4: Simplify right side
    19,700,250.72x = 311,004,281,076,718.38
  5. Step 5: Solve for x
    x = 311,004,281,076,718.38/19,700,250.72
  6. Step 6: Final answer
    x = 15,786,818.43

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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.