Home / 28,928,456.42-43,390,027.38-9,759,379.56

Finding the Fourth Proportional to 28,928,456.42, 43,390,027.38 and 9,759,379.56

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Solution

The fourth proportional to 28,928,456.42, 43,390,027.38 and 9,759,379.56 is: 14,638,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928,456.42 : 43,390,027.38 = 9,759,379.56 : x
  2. Step 2: Convert to fraction form
    28,928,456.42/43,390,027.38 = 9,759,379.56/x
  3. Step 3: Cross multiply
    28,928,456.42x = 43,390,027.38 × 9,759,379.56
  4. Step 4: Simplify right side
    28,928,456.42x = 423,459,746,320,212.38
  5. Step 5: Solve for x
    x = 423,459,746,320,212.38/28,928,456.42
  6. Step 6: Final answer
    x = 14,638,172.88

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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.