Home / 18,354,481.60-27,531,722.40-8,788,543.60

Finding the Fourth Proportional to 18,354,481.60, 27,531,722.40 and 8,788,543.60

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Solution

The fourth proportional to 18,354,481.60, 27,531,722.40 and 8,788,543.60 is: 13,182,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354,481.60 : 27,531,722.40 = 8,788,543.60 : x
  2. Step 2: Convert to fraction form
    18,354,481.60/27,531,722.40 = 8,788,543.60/x
  3. Step 3: Cross multiply
    18,354,481.60x = 27,531,722.40 × 8,788,543.60
  4. Step 4: Simplify right side
    18,354,481.60x = 241,963,742,695,496.62
  5. Step 5: Solve for x
    x = 241,963,742,695,496.62/18,354,481.60
  6. Step 6: Final answer
    x = 13,182,815.40

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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.