Home / 13,415,454.72-20,123,188.89-4,317,551.10

Finding the Fourth Proportional to 13,415,454.72, 20,123,188.89 and 4,317,551.10

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Solution

The fourth proportional to 13,415,454.72, 20,123,188.89 and 4,317,551.10 is: 6,476,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415,454.72 : 20,123,188.89 = 4,317,551.10 : x
  2. Step 2: Convert to fraction form
    13,415,454.72/20,123,188.89 = 4,317,551.10/x
  3. Step 3: Cross multiply
    13,415,454.72x = 20,123,188.89 × 4,317,551.10
  4. Step 4: Simplify right side
    13,415,454.72x = 86,882,896,327,527.28
  5. Step 5: Solve for x
    x = 86,882,896,327,527.28/13,415,454.72
  6. Step 6: Final answer
    x = 6,476,328.84

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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.