Home / 12,843,605.63-19,262,460.32-7,657,682.57

Finding the Fourth Proportional to 12,843,605.63, 19,262,460.32 and 7,657,682.57

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Solution

The fourth proportional to 12,843,605.63, 19,262,460.32 and 7,657,682.57 is: 11,484,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843,605.63 : 19,262,460.32 = 7,657,682.57 : x
  2. Step 2: Convert to fraction form
    12,843,605.63/19,262,460.32 = 7,657,682.57/x
  3. Step 3: Cross multiply
    12,843,605.63x = 19,262,460.32 × 7,657,682.57
  4. Step 4: Simplify right side
    12,843,605.63x = 147,505,806,722,481.78
  5. Step 5: Solve for x
    x = 147,505,806,722,481.78/12,843,605.63
  6. Step 6: Final answer
    x = 11,484,766.11

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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.