Home / 7,442,085.62-10,269,376.21-4,178,262.87

Finding the Fourth Proportional to 7,442,085.62, 10,269,376.21 and 4,178,262.87

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Solution

The fourth proportional to 7,442,085.62, 10,269,376.21 and 4,178,262.87 is: 5,765,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442,085.62 : 10,269,376.21 = 4,178,262.87 : x
  2. Step 2: Convert to fraction form
    7,442,085.62/10,269,376.21 = 4,178,262.87/x
  3. Step 3: Cross multiply
    7,442,085.62x = 10,269,376.21 × 4,178,262.87
  4. Step 4: Simplify right side
    7,442,085.62x = 42,908,153,321,527.15
  5. Step 5: Solve for x
    x = 42,908,153,321,527.15/7,442,085.62
  6. Step 6: Final answer
    x = 5,765,608.66

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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.