Home / 6,900,031.86-9,515,585.58-5,453,183.94

Finding the Fourth Proportional to 6,900,031.86, 9,515,585.58 and 5,453,183.94

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Solution

The fourth proportional to 6,900,031.86, 9,515,585.58 and 5,453,183.94 is: 7,520,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900,031.86 : 9,515,585.58 = 5,453,183.94 : x
  2. Step 2: Convert to fraction form
    6,900,031.86/9,515,585.58 = 5,453,183.94/x
  3. Step 3: Cross multiply
    6,900,031.86x = 9,515,585.58 × 5,453,183.94
  4. Step 4: Simplify right side
    6,900,031.86x = 51,890,238,464,551.59
  5. Step 5: Solve for x
    x = 51,890,238,464,551.59/6,900,031.86
  6. Step 6: Final answer
    x = 7,520,289.69

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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.