Home / 21,400,902-32,094,609.75-7,020,618.84

Finding the Fourth Proportional to 21,400,902, 32,094,609.75 and 7,020,618.84

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Solution

The fourth proportional to 21,400,902, 32,094,609.75 and 7,020,618.84 is: 10,528,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400,902 : 32,094,609.75 = 7,020,618.84 : x
  2. Step 2: Convert to fraction form
    21,400,902/32,094,609.75 = 7,020,618.84/x
  3. Step 3: Cross multiply
    21,400,902x = 32,094,609.75 × 7,020,618.84
  4. Step 4: Simplify right side
    21,400,902x = 225,324,021,873,297.69
  5. Step 5: Solve for x
    x = 225,324,021,873,297.69/21,400,902
  6. Step 6: Final answer
    x = 10,528,716.12

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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.