Home / 6,534,662.85-9,021,869.37-4,212,380.57

Finding the Fourth Proportional to 6,534,662.85, 9,021,869.37 and 4,212,380.57

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Solution

The fourth proportional to 6,534,662.85, 9,021,869.37 and 4,212,380.57 is: 5,815,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,534,662.85 : 9,021,869.37 = 4,212,380.57 : x
  2. Step 2: Convert to fraction form
    6,534,662.85/9,021,869.37 = 4,212,380.57/x
  3. Step 3: Cross multiply
    6,534,662.85x = 9,021,869.37 × 4,212,380.57
  4. Step 4: Simplify right side
    6,534,662.85x = 38,003,547,194,156.80
  5. Step 5: Solve for x
    x = 38,003,547,194,156.80/6,534,662.85
  6. Step 6: Final answer
    x = 5,815,685.99

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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.