Home / 7,748,911.70-11,622,896.98-2,890,281.61

Finding the Fourth Proportional to 7,748,911.70, 11,622,896.98 and 2,890,281.61

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Solution

The fourth proportional to 7,748,911.70, 11,622,896.98 and 2,890,281.61 is: 4,335,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748,911.70 : 11,622,896.98 = 2,890,281.61 : x
  2. Step 2: Convert to fraction form
    7,748,911.70/11,622,896.98 = 2,890,281.61/x
  3. Step 3: Cross multiply
    7,748,911.70x = 11,622,896.98 × 2,890,281.61
  4. Step 4: Simplify right side
    7,748,911.70x = 33,593,445,359,935.59
  5. Step 5: Solve for x
    x = 33,593,445,359,935.59/7,748,911.70
  6. Step 6: Final answer
    x = 4,335,246.89

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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.