Home / 13,559,955.38-18,704,921.01-8,124,298.10

Finding the Fourth Proportional to 13,559,955.38, 18,704,921.01 and 8,124,298.10

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Solution

The fourth proportional to 13,559,955.38, 18,704,921.01 and 8,124,298.10 is: 11,206,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559,955.38 : 18,704,921.01 = 8,124,298.10 : x
  2. Step 2: Convert to fraction form
    13,559,955.38/18,704,921.01 = 8,124,298.10/x
  3. Step 3: Cross multiply
    13,559,955.38x = 18,704,921.01 × 8,124,298.10
  4. Step 4: Simplify right side
    13,559,955.38x = 151,964,354,222,193.09
  5. Step 5: Solve for x
    x = 151,964,354,222,193.09/13,559,955.38
  6. Step 6: Final answer
    x = 11,206,847.66

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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.