Home / 13,317,378.30-19,997,062.65-7,648,674.30

Finding the Fourth Proportional to 13,317,378.30, 19,997,062.65 and 7,648,674.30

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Solution

The fourth proportional to 13,317,378.30, 19,997,062.65 and 7,648,674.30 is: 11,485,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,378.30 : 19,997,062.65 = 7,648,674.30 : x
  2. Step 2: Convert to fraction form
    13,317,378.30/19,997,062.65 = 7,648,674.30/x
  3. Step 3: Cross multiply
    13,317,378.30x = 19,997,062.65 × 7,648,674.30
  4. Step 4: Simplify right side
    13,317,378.30x = 152,951,019,166,544.88
  5. Step 5: Solve for x
    x = 152,951,019,166,544.88/13,317,378.30
  6. Step 6: Final answer
    x = 11,485,069.79

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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.