Home / 13,801,435.66-19,046,059.29-8,003,659.78

Finding the Fourth Proportional to 13,801,435.66, 19,046,059.29 and 8,003,659.78

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Solution

The fourth proportional to 13,801,435.66, 19,046,059.29 and 8,003,659.78 is: 11,045,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801,435.66 : 19,046,059.29 = 8,003,659.78 : x
  2. Step 2: Convert to fraction form
    13,801,435.66/19,046,059.29 = 8,003,659.78/x
  3. Step 3: Cross multiply
    13,801,435.66x = 19,046,059.29 × 8,003,659.78
  4. Step 4: Simplify right side
    13,801,435.66x = 152,438,178,706,868.34
  5. Step 5: Solve for x
    x = 152,438,178,706,868.34/13,801,435.66
  6. Step 6: Final answer
    x = 11,045,095.78

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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.