Home / 13,770,789.87-20,655,437.29-4,185,421.06

Finding the Fourth Proportional to 13,770,789.87, 20,655,437.29 and 4,185,421.06

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Solution

The fourth proportional to 13,770,789.87, 20,655,437.29 and 4,185,421.06 is: 6,277,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,789.87 : 20,655,437.29 = 4,185,421.06 : x
  2. Step 2: Convert to fraction form
    13,770,789.87/20,655,437.29 = 4,185,421.06/x
  3. Step 3: Cross multiply
    13,770,789.87x = 20,655,437.29 × 4,185,421.06
  4. Step 4: Simplify right side
    13,770,789.87x = 86,451,702,237,075.33
  5. Step 5: Solve for x
    x = 86,451,702,237,075.33/13,770,789.87
  6. Step 6: Final answer
    x = 6,277,904.39

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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.