Home / 36,724,368.60-55,121,982.30-18,549,086.40

Finding the Fourth Proportional to 36,724,368.60, 55,121,982.30 and 18,549,086.40

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Solution

The fourth proportional to 36,724,368.60, 55,121,982.30 and 18,549,086.40 is: 27,841,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,724,368.60 : 55,121,982.30 = 18,549,086.40 : x
  2. Step 2: Convert to fraction form
    36,724,368.60/55,121,982.30 = 18,549,086.40/x
  3. Step 3: Cross multiply
    36,724,368.60x = 55,121,982.30 × 18,549,086.40
  4. Step 4: Simplify right side
    36,724,368.60x = 1,022,462,412,221,970.62
  5. Step 5: Solve for x
    x = 1,022,462,412,221,970.62/36,724,368.60
  6. Step 6: Final answer
    x = 27,841,524.61

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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.