Home / 32,601,705.20-48,902,557.80-21,122,579.60

Finding the Fourth Proportional to 32,601,705.20, 48,902,557.80 and 21,122,579.60

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Solution

The fourth proportional to 32,601,705.20, 48,902,557.80 and 21,122,579.60 is: 31,683,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,601,705.20 : 48,902,557.80 = 21,122,579.60 : x
  2. Step 2: Convert to fraction form
    32,601,705.20/48,902,557.80 = 21,122,579.60/x
  3. Step 3: Cross multiply
    32,601,705.20x = 48,902,557.80 × 21,122,579.60
  4. Step 4: Simplify right side
    32,601,705.20x = 1,032,948,169,774,100.88
  5. Step 5: Solve for x
    x = 1,032,948,169,774,100.88/32,601,705.20
  6. Step 6: Final answer
    x = 31,683,869.40

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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.