Home / 13,065,440.46-18,029,836.59-7,185,025.14

Finding the Fourth Proportional to 13,065,440.46, 18,029,836.59 and 7,185,025.14

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Solution

The fourth proportional to 13,065,440.46, 18,029,836.59 and 7,185,025.14 is: 9,915,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,440.46 : 18,029,836.59 = 7,185,025.14 : x
  2. Step 2: Convert to fraction form
    13,065,440.46/18,029,836.59 = 7,185,025.14/x
  3. Step 3: Cross multiply
    13,065,440.46x = 18,029,836.59 × 7,185,025.14
  4. Step 4: Simplify right side
    13,065,440.46x = 129,544,829,169,241.86
  5. Step 5: Solve for x
    x = 129,544,829,169,241.86/13,065,440.46
  6. Step 6: Final answer
    x = 9,915,075.54

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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.