Home / 21,893,848.20-32,840,772.30-13,831,691.40

Finding the Fourth Proportional to 21,893,848.20, 32,840,772.30 and 13,831,691.40

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Solution

The fourth proportional to 21,893,848.20, 32,840,772.30 and 13,831,691.40 is: 20,747,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,848.20 : 32,840,772.30 = 13,831,691.40 : x
  2. Step 2: Convert to fraction form
    21,893,848.20/32,840,772.30 = 13,831,691.40/x
  3. Step 3: Cross multiply
    21,893,848.20x = 32,840,772.30 × 13,831,691.40
  4. Step 4: Simplify right side
    21,893,848.20x = 454,243,427,791,268.25
  5. Step 5: Solve for x
    x = 454,243,427,791,268.25/21,893,848.20
  6. Step 6: Final answer
    x = 20,747,537.10

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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.