Home / 10,801,135.40-16,201,703.10-9,979,989.80

Finding the Fourth Proportional to 10,801,135.40, 16,201,703.10 and 9,979,989.80

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Solution

The fourth proportional to 10,801,135.40, 16,201,703.10 and 9,979,989.80 is: 14,969,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801,135.40 : 16,201,703.10 = 9,979,989.80 : x
  2. Step 2: Convert to fraction form
    10,801,135.40/16,201,703.10 = 9,979,989.80/x
  3. Step 3: Cross multiply
    10,801,135.40x = 16,201,703.10 × 9,979,989.80
  4. Step 4: Simplify right side
    10,801,135.40x = 161,692,831,680,628.38
  5. Step 5: Solve for x
    x = 161,692,831,680,628.38/10,801,135.40
  6. Step 6: Final answer
    x = 14,969,984.70

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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.