Home / 7,339,895.80-10,129,056.06-4,120,631.80

Finding the Fourth Proportional to 7,339,895.80, 10,129,056.06 and 4,120,631.80

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Solution

The fourth proportional to 7,339,895.80, 10,129,056.06 and 4,120,631.80 is: 5,686,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,895.80 : 10,129,056.06 = 4,120,631.80 : x
  2. Step 2: Convert to fraction form
    7,339,895.80/10,129,056.06 = 4,120,631.80/x
  3. Step 3: Cross multiply
    7,339,895.80x = 10,129,056.06 × 4,120,631.80
  4. Step 4: Simplify right side
    7,339,895.80x = 41,738,110,504,818.71
  5. Step 5: Solve for x
    x = 41,738,110,504,818.71/7,339,895.80
  6. Step 6: Final answer
    x = 5,686,471.80

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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.