Home / 13,922,071.71-20,883,673.76-6,631,783.76

Finding the Fourth Proportional to 13,922,071.71, 20,883,673.76 and 6,631,783.76

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Solution

The fourth proportional to 13,922,071.71, 20,883,673.76 and 6,631,783.76 is: 9,947,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,071.71 : 20,883,673.76 = 6,631,783.76 : x
  2. Step 2: Convert to fraction form
    13,922,071.71/20,883,673.76 = 6,631,783.76/x
  3. Step 3: Cross multiply
    13,922,071.71x = 20,883,673.76 × 6,631,783.76
  4. Step 4: Simplify right side
    13,922,071.71x = 138,496,008,410,934.31
  5. Step 5: Solve for x
    x = 138,496,008,410,934.31/13,922,071.71
  6. Step 6: Final answer
    x = 9,947,945.34

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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.