Home / 13,341,974.34-18,413,899.02-8,447,650.56

Finding the Fourth Proportional to 13,341,974.34, 18,413,899.02 and 8,447,650.56

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Solution

The fourth proportional to 13,341,974.34, 18,413,899.02 and 8,447,650.56 is: 11,659,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,974.34 : 18,413,899.02 = 8,447,650.56 : x
  2. Step 2: Convert to fraction form
    13,341,974.34/18,413,899.02 = 8,447,650.56/x
  3. Step 3: Cross multiply
    13,341,974.34x = 18,413,899.02 × 8,447,650.56
  4. Step 4: Simplify right side
    13,341,974.34x = 155,554,184,368,086.47
  5. Step 5: Solve for x
    x = 155,554,184,368,086.47/13,341,974.34
  6. Step 6: Final answer
    x = 11,659,007.91

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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.