Home / 7,715,586.80-10,648,161.60-4,278,935

Finding the Fourth Proportional to 7,715,586.80, 10,648,161.60 and 4,278,935

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Solution

The fourth proportional to 7,715,586.80, 10,648,161.60 and 4,278,935 is: 5,905,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,586.80 : 10,648,161.60 = 4,278,935 : x
  2. Step 2: Convert to fraction form
    7,715,586.80/10,648,161.60 = 4,278,935/x
  3. Step 3: Cross multiply
    7,715,586.80x = 10,648,161.60 × 4,278,935
  4. Step 4: Simplify right side
    7,715,586.80x = 45,562,791,355,896
  5. Step 5: Solve for x
    x = 45,562,791,355,896/7,715,586.80
  6. Step 6: Final answer
    x = 5,905,291.79

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1.5x scale

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.