Home / 13,164,803.60-19,747,205.40-8,393,644.40

Finding the Fourth Proportional to 13,164,803.60, 19,747,205.40 and 8,393,644.40

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Solution

The fourth proportional to 13,164,803.60, 19,747,205.40 and 8,393,644.40 is: 12,590,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164,803.60 : 19,747,205.40 = 8,393,644.40 : x
  2. Step 2: Convert to fraction form
    13,164,803.60/19,747,205.40 = 8,393,644.40/x
  3. Step 3: Cross multiply
    13,164,803.60x = 19,747,205.40 × 8,393,644.40
  4. Step 4: Simplify right side
    13,164,803.60x = 165,751,020,021,359.75
  5. Step 5: Solve for x
    x = 165,751,020,021,359.75/13,164,803.60
  6. Step 6: Final answer
    x = 12,590,466.60

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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.