Home / 20,837,332.86-28,755,519.35-11,669,975.61

Finding the Fourth Proportional to 20,837,332.86, 28,755,519.35 and 11,669,975.61

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Solution

The fourth proportional to 20,837,332.86, 28,755,519.35 and 11,669,975.61 is: 16,104,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,332.86 : 28,755,519.35 = 11,669,975.61 : x
  2. Step 2: Convert to fraction form
    20,837,332.86/28,755,519.35 = 11,669,975.61/x
  3. Step 3: Cross multiply
    20,837,332.86x = 28,755,519.35 × 11,669,975.61
  4. Step 4: Simplify right side
    20,837,332.86x = 335,576,209,585,420
  5. Step 5: Solve for x
    x = 335,576,209,585,420/20,837,332.86
  6. Step 6: Final answer
    x = 16,104,566.35

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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.