Home / 7,769,771.53-11,655,721.65-2,650,828.30

Finding the Fourth Proportional to 7,769,771.53, 11,655,721.65 and 2,650,828.30

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Solution

The fourth proportional to 7,769,771.53, 11,655,721.65 and 2,650,828.30 is: 3,976,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769,771.53 : 11,655,721.65 = 2,650,828.30 : x
  2. Step 2: Convert to fraction form
    7,769,771.53/11,655,721.65 = 2,650,828.30/x
  3. Step 3: Cross multiply
    7,769,771.53x = 11,655,721.65 × 2,650,828.30
  4. Step 4: Simplify right side
    7,769,771.53x = 30,897,316,806,742.70
  5. Step 5: Solve for x
    x = 30,897,316,806,742.70/7,769,771.53
  6. Step 6: Final answer
    x = 3,976,605.58

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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.