Home / 8,538,103.70-11,782,598.61-4,670,624.86

Finding the Fourth Proportional to 8,538,103.70, 11,782,598.61 and 4,670,624.86

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Solution

The fourth proportional to 8,538,103.70, 11,782,598.61 and 4,670,624.86 is: 6,445,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,103.70 : 11,782,598.61 = 4,670,624.86 : x
  2. Step 2: Convert to fraction form
    8,538,103.70/11,782,598.61 = 4,670,624.86/x
  3. Step 3: Cross multiply
    8,538,103.70x = 11,782,598.61 × 4,670,624.86
  4. Step 4: Simplify right side
    8,538,103.70x = 55,032,097,901,001.34
  5. Step 5: Solve for x
    x = 55,032,097,901,001.34/8,538,103.70
  6. Step 6: Final answer
    x = 6,445,470.78

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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.