Home / 19,485,309.52-26,889,778.20-10,784,082.16

Finding the Fourth Proportional to 19,485,309.52, 26,889,778.20 and 10,784,082.16

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Solution

The fourth proportional to 19,485,309.52, 26,889,778.20 and 10,784,082.16 is: 14,882,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485,309.52 : 26,889,778.20 = 10,784,082.16 : x
  2. Step 2: Convert to fraction form
    19,485,309.52/26,889,778.20 = 10,784,082.16/x
  3. Step 3: Cross multiply
    19,485,309.52x = 26,889,778.20 × 10,784,082.16
  4. Step 4: Simplify right side
    19,485,309.52x = 289,981,577,372,976.94
  5. Step 5: Solve for x
    x = 289,981,577,372,976.94/19,485,309.52
  6. Step 6: Final answer
    x = 14,882,061.64

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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.