Home / 13,277,941.40-18,325,305.24-7,477,857.02

Finding the Fourth Proportional to 13,277,941.40, 18,325,305.24 and 7,477,857.02

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Solution

The fourth proportional to 13,277,941.40, 18,325,305.24 and 7,477,857.02 is: 10,320,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277,941.40 : 18,325,305.24 = 7,477,857.02 : x
  2. Step 2: Convert to fraction form
    13,277,941.40/18,325,305.24 = 7,477,857.02/x
  3. Step 3: Cross multiply
    13,277,941.40x = 18,325,305.24 × 7,477,857.02
  4. Step 4: Simplify right side
    13,277,941.40x = 137,034,012,432,576.77
  5. Step 5: Solve for x
    x = 137,034,012,432,576.77/13,277,941.40
  6. Step 6: Final answer
    x = 10,320,426.06

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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.