Home / 11,491,746.40-17,229,746.40-5,429,382.40

Finding the Fourth Proportional to 11,491,746.40, 17,229,746.40 and 5,429,382.40

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Solution

The fourth proportional to 11,491,746.40, 17,229,746.40 and 5,429,382.40 is: 8,140,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491,746.40 : 17,229,746.40 = 5,429,382.40 : x
  2. Step 2: Convert to fraction form
    11,491,746.40/17,229,746.40 = 5,429,382.40/x
  3. Step 3: Cross multiply
    11,491,746.40x = 17,229,746.40 × 5,429,382.40
  4. Step 4: Simplify right side
    11,491,746.40x = 93,546,881,860,623.36
  5. Step 5: Solve for x
    x = 93,546,881,860,623.36/11,491,746.40
  6. Step 6: Final answer
    x = 8,140,353.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.