Home / 21,781,644.60-32,601,608.10-16,963,246.20

Finding the Fourth Proportional to 21,781,644.60, 32,601,608.10 and 16,963,246.20

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Solution

The fourth proportional to 21,781,644.60, 32,601,608.10 and 16,963,246.20 is: 25,389,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,644.60 : 32,601,608.10 = 16,963,246.20 : x
  2. Step 2: Convert to fraction form
    21,781,644.60/32,601,608.10 = 16,963,246.20/x
  3. Step 3: Cross multiply
    21,781,644.60x = 32,601,608.10 × 16,963,246.20
  4. Step 4: Simplify right side
    21,781,644.60x = 553,029,104,716,214.25
  5. Step 5: Solve for x
    x = 553,029,104,716,214.25/21,781,644.60
  6. Step 6: Final answer
    x = 25,389,685.44

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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.