Home / 13,189,445.84-19,784,557.56-11,258,180.48

Finding the Fourth Proportional to 13,189,445.84, 19,784,557.56 and 11,258,180.48

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Solution

The fourth proportional to 13,189,445.84, 19,784,557.56 and 11,258,180.48 is: 16,887,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,445.84 : 19,784,557.56 = 11,258,180.48 : x
  2. Step 2: Convert to fraction form
    13,189,445.84/19,784,557.56 = 11,258,180.48/x
  3. Step 3: Cross multiply
    13,189,445.84x = 19,784,557.56 × 11,258,180.48
  4. Step 4: Simplify right side
    13,189,445.84x = 222,738,119,727,428.44
  5. Step 5: Solve for x
    x = 222,738,119,727,428.44/13,189,445.84
  6. Step 6: Final answer
    x = 16,887,602.59

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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.