Home / 18,829,279.80-28,243,919.70-9,263,341.80

Finding the Fourth Proportional to 18,829,279.80, 28,243,919.70 and 9,263,341.80

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Solution

The fourth proportional to 18,829,279.80, 28,243,919.70 and 9,263,341.80 is: 13,895,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829,279.80 : 28,243,919.70 = 9,263,341.80 : x
  2. Step 2: Convert to fraction form
    18,829,279.80/28,243,919.70 = 9,263,341.80/x
  3. Step 3: Cross multiply
    18,829,279.80x = 28,243,919.70 × 9,263,341.80
  4. Step 4: Simplify right side
    18,829,279.80x = 261,633,081,952,853.47
  5. Step 5: Solve for x
    x = 261,633,081,952,853.47/18,829,279.80
  6. Step 6: Final answer
    x = 13,895,012.70

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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.