Home / 18,859,853.80-28,247,790.30-16,340,429.80

Finding the Fourth Proportional to 18,859,853.80, 28,247,790.30 and 16,340,429.80

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Solution

The fourth proportional to 18,859,853.80, 28,247,790.30 and 16,340,429.80 is: 24,474,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859,853.80 : 28,247,790.30 = 16,340,429.80 : x
  2. Step 2: Convert to fraction form
    18,859,853.80/28,247,790.30 = 16,340,429.80/x
  3. Step 3: Cross multiply
    18,859,853.80x = 28,247,790.30 × 16,340,429.80
  4. Step 4: Simplify right side
    18,859,853.80x = 461,581,034,402,271
  5. Step 5: Solve for x
    x = 461,581,034,402,271/18,859,853.80
  6. Step 6: Final answer
    x = 24,474,263.66

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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.