Home / 9,235,402.56-12,744,872.82-5,161,021.56

Finding the Fourth Proportional to 9,235,402.56, 12,744,872.82 and 5,161,021.56

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Solution

The fourth proportional to 9,235,402.56, 12,744,872.82 and 5,161,021.56 is: 7,122,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235,402.56 : 12,744,872.82 = 5,161,021.56 : x
  2. Step 2: Convert to fraction form
    9,235,402.56/12,744,872.82 = 5,161,021.56/x
  3. Step 3: Cross multiply
    9,235,402.56x = 12,744,872.82 × 5,161,021.56
  4. Step 4: Simplify right side
    9,235,402.56x = 65,776,563,403,477.99
  5. Step 5: Solve for x
    x = 65,776,563,403,477.99/9,235,402.56
  6. Step 6: Final answer
    x = 7,122,219.41

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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.