Home / 12,671,999.55-19,007,999.33-7,633,151.55

Finding the Fourth Proportional to 12,671,999.55, 19,007,999.33 and 7,633,151.55

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Solution

The fourth proportional to 12,671,999.55, 19,007,999.33 and 7,633,151.55 is: 11,449,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,999.55 : 19,007,999.33 = 7,633,151.55 : x
  2. Step 2: Convert to fraction form
    12,671,999.55/19,007,999.33 = 7,633,151.55/x
  3. Step 3: Cross multiply
    12,671,999.55x = 19,007,999.33 × 7,633,151.55
  4. Step 4: Simplify right side
    12,671,999.55x = 145,090,939,510,022.69
  5. Step 5: Solve for x
    x = 145,090,939,510,022.69/12,671,999.55
  6. Step 6: Final answer
    x = 11,449,727.33

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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.