Home / 13,775,932.88-20,666,888.74-4,191,062.28

Finding the Fourth Proportional to 13,775,932.88, 20,666,888.74 and 4,191,062.28

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Solution

The fourth proportional to 13,775,932.88, 20,666,888.74 and 4,191,062.28 is: 6,287,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,932.88 : 20,666,888.74 = 4,191,062.28 : x
  2. Step 2: Convert to fraction form
    13,775,932.88/20,666,888.74 = 4,191,062.28/x
  3. Step 3: Cross multiply
    13,775,932.88x = 20,666,888.74 × 4,191,062.28
  4. Step 4: Simplify right side
    13,775,932.88x = 86,616,217,843,170.72
  5. Step 5: Solve for x
    x = 86,616,217,843,170.72/13,775,932.88
  6. Step 6: Final answer
    x = 6,287,502.90

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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.