Home / 13,415,454.76-20,123,188.38-4,317,551.08

Finding the Fourth Proportional to 13,415,454.76, 20,123,188.38 and 4,317,551.08

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Solution

The fourth proportional to 13,415,454.76, 20,123,188.38 and 4,317,551.08 is: 6,476,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415,454.76 : 20,123,188.38 = 4,317,551.08 : x
  2. Step 2: Convert to fraction form
    13,415,454.76/20,123,188.38 = 4,317,551.08/x
  3. Step 3: Cross multiply
    13,415,454.76x = 20,123,188.38 × 4,317,551.08
  4. Step 4: Simplify right side
    13,415,454.76x = 86,882,893,723,112.45
  5. Step 5: Solve for x
    x = 86,882,893,723,112.45/13,415,454.76
  6. Step 6: Final answer
    x = 6,476,328.63

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1.5x scale

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.