Home / 21,893,905.20-32,840,857.80-13,831,748.40

Finding the Fourth Proportional to 21,893,905.20, 32,840,857.80 and 13,831,748.40

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Solution

The fourth proportional to 21,893,905.20, 32,840,857.80 and 13,831,748.40 is: 20,747,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,905.20 : 32,840,857.80 = 13,831,748.40 : x
  2. Step 2: Convert to fraction form
    21,893,905.20/32,840,857.80 = 13,831,748.40/x
  3. Step 3: Cross multiply
    21,893,905.20x = 32,840,857.80 × 13,831,748.40
  4. Step 4: Simplify right side
    21,893,905.20x = 454,246,482,329,777.56
  5. Step 5: Solve for x
    x = 454,246,482,329,777.56/21,893,905.20
  6. Step 6: Final answer
    x = 20,747,622.60

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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.