Home / 13,239,150.69-19,821,727.43-7,152,074.91

Finding the Fourth Proportional to 13,239,150.69, 19,821,727.43 and 7,152,074.91

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Solution

The fourth proportional to 13,239,150.69, 19,821,727.43 and 7,152,074.91 is: 10,708,124.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239,150.69 : 19,821,727.43 = 7,152,074.91 : x
  2. Step 2: Convert to fraction form
    13,239,150.69/19,821,727.43 = 7,152,074.91/x
  3. Step 3: Cross multiply
    13,239,150.69x = 19,821,727.43 × 7,152,074.91
  4. Step 4: Simplify right side
    13,239,150.69x = 141,766,479,389,201.41
  5. Step 5: Solve for x
    x = 141,766,479,389,201.41/13,239,150.69
  6. Step 6: Final answer
    x = 10,708,124.92

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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.