Home / 12,998,285.56-19,501,073.12-5,222,659.92

Finding the Fourth Proportional to 12,998,285.56, 19,501,073.12 and 5,222,659.92

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Solution

The fourth proportional to 12,998,285.56, 19,501,073.12 and 5,222,659.92 is: 7,835,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998,285.56 : 19,501,073.12 = 5,222,659.92 : x
  2. Step 2: Convert to fraction form
    12,998,285.56/19,501,073.12 = 5,222,659.92/x
  3. Step 3: Cross multiply
    12,998,285.56x = 19,501,073.12 × 5,222,659.92
  4. Step 4: Simplify right side
    12,998,285.56x = 101,847,472,980,813.36
  5. Step 5: Solve for x
    x = 101,847,472,980,813.36/12,998,285.56
  6. Step 6: Final answer
    x = 7,835,454.34

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1.5x scale

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.