Home / 14,270,010.80-21,389,269.80-7,884,845.60

Finding the Fourth Proportional to 14,270,010.80, 21,389,269.80 and 7,884,845.60

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Solution

The fourth proportional to 14,270,010.80, 21,389,269.80 and 7,884,845.60 is: 11,818,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270,010.80 : 21,389,269.80 = 7,884,845.60 : x
  2. Step 2: Convert to fraction form
    14,270,010.80/21,389,269.80 = 7,884,845.60/x
  3. Step 3: Cross multiply
    14,270,010.80x = 21,389,269.80 × 7,884,845.60
  4. Step 4: Simplify right side
    14,270,010.80x = 168,651,089,869,742.88
  5. Step 5: Solve for x
    x = 168,651,089,869,742.88/14,270,010.80
  6. Step 6: Final answer
    x = 11,818,567.78

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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.