Home / 9,785,188.31-13,503,189.48-5,434,554.74

Finding the Fourth Proportional to 9,785,188.31, 13,503,189.48 and 5,434,554.74

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Solution

The fourth proportional to 9,785,188.31, 13,503,189.48 and 5,434,554.74 is: 7,499,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785,188.31 : 13,503,189.48 = 5,434,554.74 : x
  2. Step 2: Convert to fraction form
    9,785,188.31/13,503,189.48 = 5,434,554.74/x
  3. Step 3: Cross multiply
    9,785,188.31x = 13,503,189.48 × 5,434,554.74
  4. Step 4: Simplify right side
    9,785,188.31x = 73,383,822,393,652.14
  5. Step 5: Solve for x
    x = 73,383,822,393,652.14/9,785,188.31
  6. Step 6: Final answer
    x = 7,499,479.83

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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.