Home / 13,536,713.82-18,677,642.40-8,027,289.30

Finding the Fourth Proportional to 13,536,713.82, 18,677,642.40 and 8,027,289.30

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Solution

The fourth proportional to 13,536,713.82, 18,677,642.40 and 8,027,289.30 is: 11,075,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536,713.82 : 18,677,642.40 = 8,027,289.30 : x
  2. Step 2: Convert to fraction form
    13,536,713.82/18,677,642.40 = 8,027,289.30/x
  3. Step 3: Cross multiply
    13,536,713.82x = 18,677,642.40 × 8,027,289.30
  4. Step 4: Simplify right side
    13,536,713.82x = 149,930,838,986,746.31
  5. Step 5: Solve for x
    x = 149,930,838,986,746.31/13,536,713.82
  6. Step 6: Final answer
    x = 11,075,866.79

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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.