Home / 18,388,124.58-25,375,610.72-10,657,650.98

Finding the Fourth Proportional to 18,388,124.58, 25,375,610.72 and 10,657,650.98

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Solution

The fourth proportional to 18,388,124.58, 25,375,610.72 and 10,657,650.98 is: 14,707,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,124.58 : 25,375,610.72 = 10,657,650.98 : x
  2. Step 2: Convert to fraction form
    18,388,124.58/25,375,610.72 = 10,657,650.98/x
  3. Step 3: Cross multiply
    18,388,124.58x = 25,375,610.72 × 10,657,650.98
  4. Step 4: Simplify right side
    18,388,124.58x = 270,444,402,458,106.50
  5. Step 5: Solve for x
    x = 270,444,402,458,106.50/18,388,124.58
  6. Step 6: Final answer
    x = 14,707,557.66

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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.