Home / 18,725,713.32-28,089,541.98-5,947,218.12

Finding the Fourth Proportional to 18,725,713.32, 28,089,541.98 and 5,947,218.12

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Solution

The fourth proportional to 18,725,713.32, 28,089,541.98 and 5,947,218.12 is: 8,921,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,713.32 : 28,089,541.98 = 5,947,218.12 : x
  2. Step 2: Convert to fraction form
    18,725,713.32/28,089,541.98 = 5,947,218.12/x
  3. Step 3: Cross multiply
    18,725,713.32x = 28,089,541.98 × 5,947,218.12
  4. Step 4: Simplify right side
    18,725,713.32x = 167,054,633,045,956.69
  5. Step 5: Solve for x
    x = 167,054,633,045,956.69/18,725,713.32
  6. Step 6: Final answer
    x = 8,921,135.88

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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.