Home / 15,118,179.44-20,862,486.70-8,925,221.01

Finding the Fourth Proportional to 15,118,179.44, 20,862,486.70 and 8,925,221.01

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Solution

The fourth proportional to 15,118,179.44, 20,862,486.70 and 8,925,221.01 is: 12,316,450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,179.44 : 20,862,486.70 = 8,925,221.01 : x
  2. Step 2: Convert to fraction form
    15,118,179.44/20,862,486.70 = 8,925,221.01/x
  3. Step 3: Cross multiply
    15,118,179.44x = 20,862,486.70 × 8,925,221.01
  4. Step 4: Simplify right side
    15,118,179.44x = 186,202,304,571,059.47
  5. Step 5: Solve for x
    x = 186,202,304,571,059.47/15,118,179.44
  6. Step 6: Final answer
    x = 12,316,450.23

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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.