Home / 8,679,942.53-13,020,623.75-4,359,771.35

Finding the Fourth Proportional to 8,679,942.53, 13,020,623.75 and 4,359,771.35

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Solution

The fourth proportional to 8,679,942.53, 13,020,623.75 and 4,359,771.35 is: 6,540,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,942.53 : 13,020,623.75 = 4,359,771.35 : x
  2. Step 2: Convert to fraction form
    8,679,942.53/13,020,623.75 = 4,359,771.35/x
  3. Step 3: Cross multiply
    8,679,942.53x = 13,020,623.75 × 4,359,771.35
  4. Step 4: Simplify right side
    8,679,942.53x = 56,766,942,330,175.87
  5. Step 5: Solve for x
    x = 56,766,942,330,175.87/8,679,942.53
  6. Step 6: Final answer
    x = 6,540,013.62

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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.