Home / 43,468,043.70-65,202,065.55-13,171,970.10

Finding the Fourth Proportional to 43,468,043.70, 65,202,065.55 and 13,171,970.10

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Solution

The fourth proportional to 43,468,043.70, 65,202,065.55 and 13,171,970.10 is: 19,757,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,468,043.70 : 65,202,065.55 = 13,171,970.10 : x
  2. Step 2: Convert to fraction form
    43,468,043.70/65,202,065.55 = 13,171,970.10/x
  3. Step 3: Cross multiply
    43,468,043.70x = 65,202,065.55 × 13,171,970.10
  4. Step 4: Simplify right side
    43,468,043.70x = 858,839,657,882,840
  5. Step 5: Solve for x
    x = 858,839,657,882,840/43,468,043.70
  6. Step 6: Final answer
    x = 19,757,955.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.