Home / 15,145,365.96-20,902,250.54-9,343,998.54

Finding the Fourth Proportional to 15,145,365.96, 20,902,250.54 and 9,343,998.54

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Solution

The fourth proportional to 15,145,365.96, 20,902,250.54 and 9,343,998.54 is: 12,895,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145,365.96 : 20,902,250.54 = 9,343,998.54 : x
  2. Step 2: Convert to fraction form
    15,145,365.96/20,902,250.54 = 9,343,998.54/x
  3. Step 3: Cross multiply
    15,145,365.96x = 20,902,250.54 × 9,343,998.54
  4. Step 4: Simplify right side
    15,145,365.96x = 195,310,598,551,834.19
  5. Step 5: Solve for x
    x = 195,310,598,551,834.19/15,145,365.96
  6. Step 6: Final answer
    x = 12,895,733.19

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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.