Home / 15,907,566.30-21,954,934.71-9,381,913.98

Finding the Fourth Proportional to 15,907,566.30, 21,954,934.71 and 9,381,913.98

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Solution

The fourth proportional to 15,907,566.30, 21,954,934.71 and 9,381,913.98 is: 12,948,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907,566.30 : 21,954,934.71 = 9,381,913.98 : x
  2. Step 2: Convert to fraction form
    15,907,566.30/21,954,934.71 = 9,381,913.98/x
  3. Step 3: Cross multiply
    15,907,566.30x = 21,954,934.71 × 9,381,913.98
  4. Step 4: Simplify right side
    15,907,566.30x = 205,979,308,885,736.25
  5. Step 5: Solve for x
    x = 205,979,308,885,736.25/15,907,566.30
  6. Step 6: Final answer
    x = 12,948,511.73

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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.