Home / 12,302,321.80-18,453,482.70-9,910,837.30

Finding the Fourth Proportional to 12,302,321.80, 18,453,482.70 and 9,910,837.30

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Solution

The fourth proportional to 12,302,321.80, 18,453,482.70 and 9,910,837.30 is: 14,866,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,321.80 : 18,453,482.70 = 9,910,837.30 : x
  2. Step 2: Convert to fraction form
    12,302,321.80/18,453,482.70 = 9,910,837.30/x
  3. Step 3: Cross multiply
    12,302,321.80x = 18,453,482.70 × 9,910,837.30
  4. Step 4: Simplify right side
    12,302,321.80x = 182,889,464,658,064.72
  5. Step 5: Solve for x
    x = 182,889,464,658,064.72/12,302,321.80
  6. Step 6: Final answer
    x = 14,866,255.95

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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.