Home / 18,781,338.84-28,174,683.21-5,828,608.59

Finding the Fourth Proportional to 18,781,338.84, 28,174,683.21 and 5,828,608.59

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Solution

The fourth proportional to 18,781,338.84, 28,174,683.21 and 5,828,608.59 is: 8,743,743.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,781,338.84 : 28,174,683.21 = 5,828,608.59 : x
  2. Step 2: Convert to fraction form
    18,781,338.84/28,174,683.21 = 5,828,608.59/x
  3. Step 3: Cross multiply
    18,781,338.84x = 28,174,683.21 × 5,828,608.59
  4. Step 4: Simplify right side
    18,781,338.84x = 164,219,200,578,334.78
  5. Step 5: Solve for x
    x = 164,219,200,578,334.78/18,781,338.84
  6. Step 6: Final answer
    x = 8,743,743.03

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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.