Home / 18,824,955.31-28,237,557.50-5,179,543.32

Finding the Fourth Proportional to 18,824,955.31, 28,237,557.50 and 5,179,543.32

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Solution

The fourth proportional to 18,824,955.31, 28,237,557.50 and 5,179,543.32 is: 7,769,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824,955.31 : 28,237,557.50 = 5,179,543.32 : x
  2. Step 2: Convert to fraction form
    18,824,955.31/28,237,557.50 = 5,179,543.32/x
  3. Step 3: Cross multiply
    18,824,955.31x = 28,237,557.50 × 5,179,543.32
  4. Step 4: Simplify right side
    18,824,955.31x = 146,257,652,322,240.91
  5. Step 5: Solve for x
    x = 146,257,652,322,240.91/18,824,955.31
  6. Step 6: Final answer
    x = 7,769,349.24

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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.