Home / 13,359,015.31-18,435,476.86-7,247,443.81

Finding the Fourth Proportional to 13,359,015.31, 18,435,476.86 and 7,247,443.81

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Solution

The fourth proportional to 13,359,015.31, 18,435,476.86 and 7,247,443.81 is: 10,001,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,015.31 : 18,435,476.86 = 7,247,443.81 : x
  2. Step 2: Convert to fraction form
    13,359,015.31/18,435,476.86 = 7,247,443.81/x
  3. Step 3: Cross multiply
    13,359,015.31x = 18,435,476.86 × 7,247,443.81
  4. Step 4: Simplify right side
    13,359,015.31x = 133,610,082,589,197.95
  5. Step 5: Solve for x
    x = 133,610,082,589,197.95/13,359,015.31
  6. Step 6: Final answer
    x = 10,001,491.84

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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.