Home / 18,191,945.70-27,287,918.55-8,626,007.70

Finding the Fourth Proportional to 18,191,945.70, 27,287,918.55 and 8,626,007.70

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Solution

The fourth proportional to 18,191,945.70, 27,287,918.55 and 8,626,007.70 is: 12,939,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,945.70 : 27,287,918.55 = 8,626,007.70 : x
  2. Step 2: Convert to fraction form
    18,191,945.70/27,287,918.55 = 8,626,007.70/x
  3. Step 3: Cross multiply
    18,191,945.70x = 27,287,918.55 × 8,626,007.70
  4. Step 4: Simplify right side
    18,191,945.70x = 235,385,795,529,272.81
  5. Step 5: Solve for x
    x = 235,385,795,529,272.81/18,191,945.70
  6. Step 6: Final answer
    x = 12,939,011.55

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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.