Home / 18,680,808.96-28,026,205.44-6,713,648.64

Finding the Fourth Proportional to 18,680,808.96, 28,026,205.44 and 6,713,648.64

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Solution

The fourth proportional to 18,680,808.96, 28,026,205.44 and 6,713,648.64 is: 10,072,267.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680,808.96 : 28,026,205.44 = 6,713,648.64 : x
  2. Step 2: Convert to fraction form
    18,680,808.96/28,026,205.44 = 6,713,648.64/x
  3. Step 3: Cross multiply
    18,680,808.96x = 28,026,205.44 × 6,713,648.64
  4. Step 4: Simplify right side
    18,680,808.96x = 188,158,096,036,616.59
  5. Step 5: Solve for x
    x = 188,158,096,036,616.59/18,680,808.96
  6. Step 6: Final answer
    x = 10,072,267.02

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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.