Home / 18,453,359.40-27,680,039.10-13,068,090.60

Finding the Fourth Proportional to 18,453,359.40, 27,680,039.10 and 13,068,090.60

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Solution

The fourth proportional to 18,453,359.40, 27,680,039.10 and 13,068,090.60 is: 19,602,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,359.40 : 27,680,039.10 = 13,068,090.60 : x
  2. Step 2: Convert to fraction form
    18,453,359.40/27,680,039.10 = 13,068,090.60/x
  3. Step 3: Cross multiply
    18,453,359.40x = 27,680,039.10 × 13,068,090.60
  4. Step 4: Simplify right side
    18,453,359.40x = 361,725,258,770,342.50
  5. Step 5: Solve for x
    x = 361,725,258,770,342.50/18,453,359.40
  6. Step 6: Final answer
    x = 19,602,135.90

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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.