Home / 13,775,932.37-20,666,887.99-4,191,061.78

Finding the Fourth Proportional to 13,775,932.37, 20,666,887.99 and 4,191,061.78

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Solution

The fourth proportional to 13,775,932.37, 20,666,887.99 and 4,191,061.78 is: 6,287,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,932.37 : 20,666,887.99 = 4,191,061.78 : x
  2. Step 2: Convert to fraction form
    13,775,932.37/20,666,887.99 = 4,191,061.78/x
  3. Step 3: Cross multiply
    13,775,932.37x = 20,666,887.99 × 4,191,061.78
  4. Step 4: Simplify right side
    13,775,932.37x = 86,616,204,381,785.98
  5. Step 5: Solve for x
    x = 86,616,204,381,785.98/13,775,932.37
  6. Step 6: Final answer
    x = 6,287,502.15

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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.