Home / 21,760,267.55-30,028,220.57-11,970,090.77

Finding the Fourth Proportional to 21,760,267.55, 30,028,220.57 and 11,970,090.77

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Solution

The fourth proportional to 21,760,267.55, 30,028,220.57 and 11,970,090.77 is: 16,518,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760,267.55 : 30,028,220.57 = 11,970,090.77 : x
  2. Step 2: Convert to fraction form
    21,760,267.55/30,028,220.57 = 11,970,090.77/x
  3. Step 3: Cross multiply
    21,760,267.55x = 30,028,220.57 × 11,970,090.77
  4. Step 4: Simplify right side
    21,760,267.55x = 359,440,525,764,265.31
  5. Step 5: Solve for x
    x = 359,440,525,764,265.31/21,760,267.55
  6. Step 6: Final answer
    x = 16,518,203.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.