Home / 12,726,528.75-19,092,782.03-4,206,864.92

Finding the Fourth Proportional to 12,726,528.75, 19,092,782.03 and 4,206,864.92

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Solution

The fourth proportional to 12,726,528.75, 19,092,782.03 and 4,206,864.92 is: 6,311,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,528.75 : 19,092,782.03 = 4,206,864.92 : x
  2. Step 2: Convert to fraction form
    12,726,528.75/19,092,782.03 = 4,206,864.92/x
  3. Step 3: Cross multiply
    12,726,528.75x = 19,092,782.03 × 4,206,864.92
  4. Step 4: Simplify right side
    12,726,528.75x = 80,320,754,830,715.14
  5. Step 5: Solve for x
    x = 80,320,754,830,715.14/12,726,528.75
  6. Step 6: Final answer
    x = 6,311,285.38

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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.