Home / 7,819,771.54-10,791,180.53-4,382,079.70

Finding the Fourth Proportional to 7,819,771.54, 10,791,180.53 and 4,382,079.70

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Solution

The fourth proportional to 7,819,771.54, 10,791,180.53 and 4,382,079.70 is: 6,047,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819,771.54 : 10,791,180.53 = 4,382,079.70 : x
  2. Step 2: Convert to fraction form
    7,819,771.54/10,791,180.53 = 4,382,079.70/x
  3. Step 3: Cross multiply
    7,819,771.54x = 10,791,180.53 × 4,382,079.70
  4. Step 4: Simplify right side
    7,819,771.54x = 47,287,813,114,999.36
  5. Step 5: Solve for x
    x = 47,287,813,114,999.36/7,819,771.54
  6. Step 6: Final answer
    x = 6,047,211.59

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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.