Home / 13,410,092.85-20,128,130.06-12,681,821.85

Finding the Fourth Proportional to 13,410,092.85, 20,128,130.06 and 12,681,821.85

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Solution

The fourth proportional to 13,410,092.85, 20,128,130.06 and 12,681,821.85 is: 19,035,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,092.85 : 20,128,130.06 = 12,681,821.85 : x
  2. Step 2: Convert to fraction form
    13,410,092.85/20,128,130.06 = 12,681,821.85/x
  3. Step 3: Cross multiply
    13,410,092.85x = 20,128,130.06 × 12,681,821.85
  4. Step 4: Simplify right side
    13,410,092.85x = 255,261,359,531,140.69
  5. Step 5: Solve for x
    x = 255,261,359,531,140.69/13,410,092.85
  6. Step 6: Final answer
    x = 19,035,018.06

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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.