Home / 18,757,011.49-28,167,715.39-11,513,008.77

Finding the Fourth Proportional to 18,757,011.49, 28,167,715.39 and 11,513,008.77

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Solution

The fourth proportional to 18,757,011.49, 28,167,715.39 and 11,513,008.77 is: 17,289,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757,011.49 : 28,167,715.39 = 11,513,008.77 : x
  2. Step 2: Convert to fraction form
    18,757,011.49/28,167,715.39 = 11,513,008.77/x
  3. Step 3: Cross multiply
    18,757,011.49x = 28,167,715.39 × 11,513,008.77
  4. Step 4: Simplify right side
    18,757,011.49x = 324,295,154,315,933.94
  5. Step 5: Solve for x
    x = 324,295,154,315,933.94/18,757,011.49
  6. Step 6: Final answer
    x = 17,289,276.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.