Home / 12,641,989.68-18,965,376.45-4,008,264.66

Finding the Fourth Proportional to 12,641,989.68, 18,965,376.45 and 4,008,264.66

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Solution

The fourth proportional to 12,641,989.68, 18,965,376.45 and 4,008,264.66 is: 6,013,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641,989.68 : 18,965,376.45 = 4,008,264.66 : x
  2. Step 2: Convert to fraction form
    12,641,989.68/18,965,376.45 = 4,008,264.66/x
  3. Step 3: Cross multiply
    12,641,989.68x = 18,965,376.45 × 4,008,264.66
  4. Step 4: Simplify right side
    12,641,989.68x = 76,018,248,188,131.25
  5. Step 5: Solve for x
    x = 76,018,248,188,131.25/12,641,989.68
  6. Step 6: Final answer
    x = 6,013,155.37

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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.