Home / 7,629,738.72-10,529,030.76-4,191,971.28

Finding the Fourth Proportional to 7,629,738.72, 10,529,030.76 and 4,191,971.28

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Solution

The fourth proportional to 7,629,738.72, 10,529,030.76 and 4,191,971.28 is: 5,784,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629,738.72 : 10,529,030.76 = 4,191,971.28 : x
  2. Step 2: Convert to fraction form
    7,629,738.72/10,529,030.76 = 4,191,971.28/x
  3. Step 3: Cross multiply
    7,629,738.72x = 10,529,030.76 × 4,191,971.28
  4. Step 4: Simplify right side
    7,629,738.72x = 44,137,394,552,156.57
  5. Step 5: Solve for x
    x = 44,137,394,552,156.57/7,629,738.72
  6. Step 6: Final answer
    x = 5,784,915.60

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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.