Home / 14,304,056.70-21,456,085.05-8,918,787.90

Finding the Fourth Proportional to 14,304,056.70, 21,456,085.05 and 8,918,787.90

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Solution

The fourth proportional to 14,304,056.70, 21,456,085.05 and 8,918,787.90 is: 13,378,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304,056.70 : 21,456,085.05 = 8,918,787.90 : x
  2. Step 2: Convert to fraction form
    14,304,056.70/21,456,085.05 = 8,918,787.90/x
  3. Step 3: Cross multiply
    14,304,056.70x = 21,456,085.05 × 8,918,787.90
  4. Step 4: Simplify right side
    14,304,056.70x = 191,362,271,725,310.91
  5. Step 5: Solve for x
    x = 191,362,271,725,310.91/14,304,056.70
  6. Step 6: Final answer
    x = 13,378,181.85

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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.