Home / 13,604,015.79-18,770,281.34-7,722,341.73

Finding the Fourth Proportional to 13,604,015.79, 18,770,281.34 and 7,722,341.73

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Solution

The fourth proportional to 13,604,015.79, 18,770,281.34 and 7,722,341.73 is: 10,654,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,015.79 : 18,770,281.34 = 7,722,341.73 : x
  2. Step 2: Convert to fraction form
    13,604,015.79/18,770,281.34 = 7,722,341.73/x
  3. Step 3: Cross multiply
    13,604,015.79x = 18,770,281.34 × 7,722,341.73
  4. Step 4: Simplify right side
    13,604,015.79x = 144,950,526,837,110.62
  5. Step 5: Solve for x
    x = 144,950,526,837,110.62/13,604,015.79
  6. Step 6: Final answer
    x = 10,654,980.78

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1.5x scale

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.