Home / 10,470,640.80-15,705,961.20-3,739,274.40

Finding the Fourth Proportional to 10,470,640.80, 15,705,961.20 and 3,739,274.40

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Solution

The fourth proportional to 10,470,640.80, 15,705,961.20 and 3,739,274.40 is: 5,608,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470,640.80 : 15,705,961.20 = 3,739,274.40 : x
  2. Step 2: Convert to fraction form
    10,470,640.80/15,705,961.20 = 3,739,274.40/x
  3. Step 3: Cross multiply
    10,470,640.80x = 15,705,961.20 × 3,739,274.40
  4. Step 4: Simplify right side
    10,470,640.80x = 58,728,898,642,553.27
  5. Step 5: Solve for x
    x = 58,728,898,642,553.27/10,470,640.80
  6. Step 6: Final answer
    x = 5,608,911.60

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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.