Home / 20,137,990.65-30,188,848.46-7,349,522.73

Finding the Fourth Proportional to 20,137,990.65, 30,188,848.46 and 7,349,522.73

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Solution

The fourth proportional to 20,137,990.65, 30,188,848.46 and 7,349,522.73 is: 11,017,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137,990.65 : 30,188,848.46 = 7,349,522.73 : x
  2. Step 2: Convert to fraction form
    20,137,990.65/30,188,848.46 = 7,349,522.73/x
  3. Step 3: Cross multiply
    20,137,990.65x = 30,188,848.46 × 7,349,522.73
  4. Step 4: Simplify right side
    20,137,990.65x = 221,873,627,912,547.88
  5. Step 5: Solve for x
    x = 221,873,627,912,547.88/20,137,990.65
  6. Step 6: Final answer
    x = 11,017,664.66

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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.