Home / 7,715,062.20-10,647,038.70-4,277,623.80

Finding the Fourth Proportional to 7,715,062.20, 10,647,038.70 and 4,277,623.80

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Solution

The fourth proportional to 7,715,062.20, 10,647,038.70 and 4,277,623.80 is: 5,903,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,062.20 : 10,647,038.70 = 4,277,623.80 : x
  2. Step 2: Convert to fraction form
    7,715,062.20/10,647,038.70 = 4,277,623.80/x
  3. Step 3: Cross multiply
    7,715,062.20x = 10,647,038.70 × 4,277,623.80
  4. Step 4: Simplify right side
    7,715,062.20x = 45,544,026,142,641.05
  5. Step 5: Solve for x
    x = 45,544,026,142,641.05/7,715,062.20
  6. Step 6: Final answer
    x = 5,903,261.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.