Home / 20,334,795.40-28,061,915.70-11,042,282.44

Finding the Fourth Proportional to 20,334,795.40, 28,061,915.70 and 11,042,282.44

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Solution

The fourth proportional to 20,334,795.40, 28,061,915.70 and 11,042,282.44 is: 15,238,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,795.40 : 28,061,915.70 = 11,042,282.44 : x
  2. Step 2: Convert to fraction form
    20,334,795.40/28,061,915.70 = 11,042,282.44/x
  3. Step 3: Cross multiply
    20,334,795.40x = 28,061,915.70 × 11,042,282.44
  4. Step 4: Simplify right side
    20,334,795.40x = 309,867,598,966,870.31
  5. Step 5: Solve for x
    x = 309,867,598,966,870.31/20,334,795.40
  6. Step 6: Final answer
    x = 15,238,294.40

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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.