Home / 20,777,424.40-31,166,136.60-9,440,016.40

Finding the Fourth Proportional to 20,777,424.40, 31,166,136.60 and 9,440,016.40

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Solution

The fourth proportional to 20,777,424.40, 31,166,136.60 and 9,440,016.40 is: 14,160,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,424.40 : 31,166,136.60 = 9,440,016.40 : x
  2. Step 2: Convert to fraction form
    20,777,424.40/31,166,136.60 = 9,440,016.40/x
  3. Step 3: Cross multiply
    20,777,424.40x = 31,166,136.60 × 9,440,016.40
  4. Step 4: Simplify right side
    20,777,424.40x = 294,208,840,628,640.25
  5. Step 5: Solve for x
    x = 294,208,840,628,640.25/20,777,424.40
  6. Step 6: Final answer
    x = 14,160,024.60

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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.