Home / 12,382,041.11-18,489,683.43-10,112,071.79

Finding the Fourth Proportional to 12,382,041.11, 18,489,683.43 and 10,112,071.79

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Solution

The fourth proportional to 12,382,041.11, 18,489,683.43 and 10,112,071.79 is: 15,100,014.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,041.11 : 18,489,683.43 = 10,112,071.79 : x
  2. Step 2: Convert to fraction form
    12,382,041.11/18,489,683.43 = 10,112,071.79/x
  3. Step 3: Cross multiply
    12,382,041.11x = 18,489,683.43 × 10,112,071.79
  4. Step 4: Simplify right side
    12,382,041.11x = 186,969,006,264,757.66
  5. Step 5: Solve for x
    x = 186,969,006,264,757.66/12,382,041.11
  6. Step 6: Final answer
    x = 15,100,014.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.