Home / 14,913,039.78-20,579,672.19-8,633,831.90

Finding the Fourth Proportional to 14,913,039.78, 20,579,672.19 and 8,633,831.90

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Solution

The fourth proportional to 14,913,039.78, 20,579,672.19 and 8,633,831.90 is: 11,914,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913,039.78 : 20,579,672.19 = 8,633,831.90 : x
  2. Step 2: Convert to fraction form
    14,913,039.78/20,579,672.19 = 8,633,831.90/x
  3. Step 3: Cross multiply
    14,913,039.78x = 20,579,672.19 × 8,633,831.90
  4. Step 4: Simplify right side
    14,913,039.78x = 177,681,430,245,564.88
  5. Step 5: Solve for x
    x = 177,681,430,245,564.88/14,913,039.78
  6. Step 6: Final answer
    x = 11,914,501.19

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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.