Home / 18,898,231.56-28,351,852.65-6,118,740.06

Finding the Fourth Proportional to 18,898,231.56, 28,351,852.65 and 6,118,740.06

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Solution

The fourth proportional to 18,898,231.56, 28,351,852.65 and 6,118,740.06 is: 9,179,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898,231.56 : 28,351,852.65 = 6,118,740.06 : x
  2. Step 2: Convert to fraction form
    18,898,231.56/28,351,852.65 = 6,118,740.06/x
  3. Step 3: Cross multiply
    18,898,231.56x = 28,351,852.65 × 6,118,740.06
  4. Step 4: Simplify right side
    18,898,231.56x = 173,477,616,584,772.12
  5. Step 5: Solve for x
    x = 173,477,616,584,772.12/18,898,231.56
  6. Step 6: Final answer
    x = 9,179,568.79

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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.