Home / 13,115,962.80-19,673,944.20-12,265,657.20

Finding the Fourth Proportional to 13,115,962.80, 19,673,944.20 and 12,265,657.20

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Solution

The fourth proportional to 13,115,962.80, 19,673,944.20 and 12,265,657.20 is: 18,398,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,962.80 : 19,673,944.20 = 12,265,657.20 : x
  2. Step 2: Convert to fraction form
    13,115,962.80/19,673,944.20 = 12,265,657.20/x
  3. Step 3: Cross multiply
    13,115,962.80x = 19,673,944.20 × 12,265,657.20
  4. Step 4: Simplify right side
    13,115,962.80x = 241,313,855,329,128.22
  5. Step 5: Solve for x
    x = 241,313,855,329,128.22/13,115,962.80
  6. Step 6: Final answer
    x = 18,398,485.80

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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.