Home / 5,381,813.76-7,427,427.84-4,021,324.80

Finding the Fourth Proportional to 5,381,813.76, 7,427,427.84 and 4,021,324.80

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Solution

The fourth proportional to 5,381,813.76, 7,427,427.84 and 4,021,324.80 is: 5,549,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,813.76 : 7,427,427.84 = 4,021,324.80 : x
  2. Step 2: Convert to fraction form
    5,381,813.76/7,427,427.84 = 4,021,324.80/x
  3. Step 3: Cross multiply
    5,381,813.76x = 7,427,427.84 × 4,021,324.80
  4. Step 4: Simplify right side
    5,381,813.76x = 29,868,099,773,202.43
  5. Step 5: Solve for x
    x = 29,868,099,773,202.43/5,381,813.76
  6. Step 6: Final answer
    x = 5,549,820.40

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1.5x scale

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.