Home / 18,774,325.08-28,173,333.87-7,991,608.32

Finding the Fourth Proportional to 18,774,325.08, 28,173,333.87 and 7,991,608.32

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Solution

The fourth proportional to 18,774,325.08, 28,173,333.87 and 7,991,608.32 is: 11,992,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774,325.08 : 28,173,333.87 = 7,991,608.32 : x
  2. Step 2: Convert to fraction form
    18,774,325.08/28,173,333.87 = 7,991,608.32/x
  3. Step 3: Cross multiply
    18,774,325.08x = 28,173,333.87 × 7,991,608.32
  4. Step 4: Simplify right side
    18,774,325.08x = 225,150,249,357,629.81
  5. Step 5: Solve for x
    x = 225,150,249,357,629.81/18,774,325.08
  6. Step 6: Final answer
    x = 11,992,455.04

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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.