Home / 14,947,840.32-20,628,019.56-8,072,322

Finding the Fourth Proportional to 14,947,840.32, 20,628,019.56 and 8,072,322

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Solution

The fourth proportional to 14,947,840.32, 20,628,019.56 and 8,072,322 is: 11,139,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,840.32 : 20,628,019.56 = 8,072,322 : x
  2. Step 2: Convert to fraction form
    14,947,840.32/20,628,019.56 = 8,072,322/x
  3. Step 3: Cross multiply
    14,947,840.32x = 20,628,019.56 × 8,072,322
  4. Step 4: Simplify right side
    14,947,840.32x = 166,516,016,110,618.31
  5. Step 5: Solve for x
    x = 166,516,016,110,618.31/14,947,840.32
  6. Step 6: Final answer
    x = 11,139,804.32

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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.