Home / 12,141,561.90-18,210,010.05-3,622,176.30

Finding the Fourth Proportional to 12,141,561.90, 18,210,010.05 and 3,622,176.30

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Solution

The fourth proportional to 12,141,561.90, 18,210,010.05 and 3,622,176.30 is: 5,432,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,561.90 : 18,210,010.05 = 3,622,176.30 : x
  2. Step 2: Convert to fraction form
    12,141,561.90/18,210,010.05 = 3,622,176.30/x
  3. Step 3: Cross multiply
    12,141,561.90x = 18,210,010.05 × 3,622,176.30
  4. Step 4: Simplify right side
    12,141,561.90x = 65,959,866,825,871.81
  5. Step 5: Solve for x
    x = 65,959,866,825,871.81/12,141,561.90
  6. Step 6: Final answer
    x = 5,432,568.51

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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.