Home / 13,802,989.96-19,048,201.82-8,005,209.22

Finding the Fourth Proportional to 13,802,989.96, 19,048,201.82 and 8,005,209.22

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Solution

The fourth proportional to 13,802,989.96, 19,048,201.82 and 8,005,209.22 is: 11,047,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802,989.96 : 19,048,201.82 = 8,005,209.22 : x
  2. Step 2: Convert to fraction form
    13,802,989.96/19,048,201.82 = 8,005,209.22/x
  3. Step 3: Cross multiply
    13,802,989.96x = 19,048,201.82 × 8,005,209.22
  4. Step 4: Simplify right side
    13,802,989.96x = 152,484,840,833,884.78
  5. Step 5: Solve for x
    x = 152,484,840,833,884.78/13,802,989.96
  6. Step 6: Final answer
    x = 11,047,232.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.