Home / 18,824,956.31-28,237,559-5,179,544.32

Finding the Fourth Proportional to 18,824,956.31, 28,237,559 and 5,179,544.32

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Solution

The fourth proportional to 18,824,956.31, 28,237,559 and 5,179,544.32 is: 7,769,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824,956.31 : 28,237,559 = 5,179,544.32 : x
  2. Step 2: Convert to fraction form
    18,824,956.31/28,237,559 = 5,179,544.32/x
  3. Step 3: Cross multiply
    18,824,956.31x = 28,237,559 × 5,179,544.32
  4. Step 4: Simplify right side
    18,824,956.31x = 146,257,688,329,114.88
  5. Step 5: Solve for x
    x = 146,257,688,329,114.88/18,824,956.31
  6. Step 6: Final answer
    x = 7,769,350.74

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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.