Home / 10,287,355.80-15,425,201.70-3,897,816.60

Finding the Fourth Proportional to 10,287,355.80, 15,425,201.70 and 3,897,816.60

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Solution

The fourth proportional to 10,287,355.80, 15,425,201.70 and 3,897,816.60 is: 5,844,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287,355.80 : 15,425,201.70 = 3,897,816.60 : x
  2. Step 2: Convert to fraction form
    10,287,355.80/15,425,201.70 = 3,897,816.60/x
  3. Step 3: Cross multiply
    10,287,355.80x = 15,425,201.70 × 3,897,816.60
  4. Step 4: Simplify right side
    10,287,355.80x = 60,124,607,244,608.22
  5. Step 5: Solve for x
    x = 60,124,607,244,608.22/10,287,355.80
  6. Step 6: Final answer
    x = 5,844,515.19

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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.