Home / 22,121,977.90-30,527,661.03-12,198,855.27

Finding the Fourth Proportional to 22,121,977.90, 30,527,661.03 and 12,198,855.27

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Solution

The fourth proportional to 22,121,977.90, 30,527,661.03 and 12,198,855.27 is: 16,834,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121,977.90 : 30,527,661.03 = 12,198,855.27 : x
  2. Step 2: Convert to fraction form
    22,121,977.90/30,527,661.03 = 12,198,855.27/x
  3. Step 3: Cross multiply
    22,121,977.90x = 30,527,661.03 × 12,198,855.27
  4. Step 4: Simplify right side
    22,121,977.90x = 372,402,518,636,589.12
  5. Step 5: Solve for x
    x = 372,402,518,636,589.12/22,121,977.90
  6. Step 6: Final answer
    x = 16,834,051.65

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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.