Home / 12,887,084.88-19,338,165.18-4,805,643.60

Finding the Fourth Proportional to 12,887,084.88, 19,338,165.18 and 4,805,643.60

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Solution

The fourth proportional to 12,887,084.88, 19,338,165.18 and 4,805,643.60 is: 7,211,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,084.88 : 19,338,165.18 = 4,805,643.60 : x
  2. Step 2: Convert to fraction form
    12,887,084.88/19,338,165.18 = 4,805,643.60/x
  3. Step 3: Cross multiply
    12,887,084.88x = 19,338,165.18 × 4,805,643.60
  4. Step 4: Simplify right side
    12,887,084.88x = 92,932,329,733,009.84
  5. Step 5: Solve for x
    x = 92,932,329,733,009.84/12,887,084.88
  6. Step 6: Final answer
    x = 7,211,276.30

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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.