Home / 13,277,942.40-18,325,306.62-7,477,858.02

Finding the Fourth Proportional to 13,277,942.40, 18,325,306.62 and 7,477,858.02

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Solution

The fourth proportional to 13,277,942.40, 18,325,306.62 and 7,477,858.02 is: 10,320,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277,942.40 : 18,325,306.62 = 7,477,858.02 : x
  2. Step 2: Convert to fraction form
    13,277,942.40/18,325,306.62 = 7,477,858.02/x
  3. Step 3: Cross multiply
    13,277,942.40x = 18,325,306.62 × 7,477,858.02
  4. Step 4: Simplify right side
    13,277,942.40x = 137,034,041,077,326.09
  5. Step 5: Solve for x
    x = 137,034,041,077,326.09/13,277,942.40
  6. Step 6: Final answer
    x = 10,320,427.44

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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.