Home / 5,381,814.76-7,427,429.22-4,021,325.80

Finding the Fourth Proportional to 5,381,814.76, 7,427,429.22 and 4,021,325.80

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Solution

The fourth proportional to 5,381,814.76, 7,427,429.22 and 4,021,325.80 is: 5,549,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,814.76 : 7,427,429.22 = 4,021,325.80 : x
  2. Step 2: Convert to fraction form
    5,381,814.76/7,427,429.22 = 4,021,325.80/x
  3. Step 3: Cross multiply
    5,381,814.76x = 7,427,429.22 × 4,021,325.80
  4. Step 4: Simplify right side
    5,381,814.76x = 29,868,112,750,059.88
  5. Step 5: Solve for x
    x = 29,868,112,750,059.88/5,381,814.76
  6. Step 6: Final answer
    x = 5,549,821.78

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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.