Home / 12,081,404.04-18,113,054.40-7,287,975.96

Finding the Fourth Proportional to 12,081,404.04, 18,113,054.40 and 7,287,975.96

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Solution

The fourth proportional to 12,081,404.04, 18,113,054.40 and 7,287,975.96 is: 10,926,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081,404.04 : 18,113,054.40 = 7,287,975.96 : x
  2. Step 2: Convert to fraction form
    12,081,404.04/18,113,054.40 = 7,287,975.96/x
  3. Step 3: Cross multiply
    12,081,404.04x = 18,113,054.40 × 7,287,975.96
  4. Step 4: Simplify right side
    12,081,404.04x = 132,007,505,029,372.22
  5. Step 5: Solve for x
    x = 132,007,505,029,372.22/12,081,404.04
  6. Step 6: Final answer
    x = 10,926,503.62

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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.