Home / 13,415,436.70-20,123,161.88-4,317,533.10

Finding the Fourth Proportional to 13,415,436.70, 20,123,161.88 and 4,317,533.10

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Solution

The fourth proportional to 13,415,436.70, 20,123,161.88 and 4,317,533.10 is: 6,476,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415,436.70 : 20,123,161.88 = 4,317,533.10 : x
  2. Step 2: Convert to fraction form
    13,415,436.70/20,123,161.88 = 4,317,533.10/x
  3. Step 3: Cross multiply
    13,415,436.70x = 20,123,161.88 × 4,317,533.10
  4. Step 4: Simplify right side
    13,415,436.70x = 86,882,417,471,970.56
  5. Step 5: Solve for x
    x = 86,882,417,471,970.56/13,415,436.70
  6. Step 6: Final answer
    x = 6,476,301.85

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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.