Home / 14,947,664.55-20,627,776.97-8,072,146.01

Finding the Fourth Proportional to 14,947,664.55, 20,627,776.97 and 8,072,146.01

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Solution

The fourth proportional to 14,947,664.55, 20,627,776.97 and 8,072,146.01 is: 11,139,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,664.55 : 20,627,776.97 = 8,072,146.01 : x
  2. Step 2: Convert to fraction form
    14,947,664.55/20,627,776.97 = 8,072,146.01/x
  3. Step 3: Cross multiply
    14,947,664.55x = 20,627,776.97 × 8,072,146.01
  4. Step 4: Simplify right side
    14,947,664.55x = 166,510,427,420,055.78
  5. Step 5: Solve for x
    x = 166,510,427,420,055.78/14,947,664.55
  6. Step 6: Final answer
    x = 11,139,561.43

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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.