Home / 6,626,685.13-9,938,920.42-1,834,858.78

Finding the Fourth Proportional to 6,626,685.13, 9,938,920.42 and 1,834,858.78

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Solution

The fourth proportional to 6,626,685.13, 9,938,920.42 and 1,834,858.78 is: 2,751,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626,685.13 : 9,938,920.42 = 1,834,858.78 : x
  2. Step 2: Convert to fraction form
    6,626,685.13/9,938,920.42 = 1,834,858.78/x
  3. Step 3: Cross multiply
    6,626,685.13x = 9,938,920.42 × 1,834,858.78
  4. Step 4: Simplify right side
    6,626,685.13x = 18,236,515,396,358.29
  5. Step 5: Solve for x
    x = 18,236,515,396,358.29/6,626,685.13
  6. Step 6: Final answer
    x = 2,751,981.58

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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.