Home / 13,369,977.40-20,022,258.69-12,076,036.42

Finding the Fourth Proportional to 13,369,977.40, 20,022,258.69 and 12,076,036.42

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Solution

The fourth proportional to 13,369,977.40, 20,022,258.69 and 12,076,036.42 is: 18,084,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,977.40 : 20,022,258.69 = 12,076,036.42 : x
  2. Step 2: Convert to fraction form
    13,369,977.40/20,022,258.69 = 12,076,036.42/x
  3. Step 3: Cross multiply
    13,369,977.40x = 20,022,258.69 × 12,076,036.42
  4. Step 4: Simplify right side
    13,369,977.40x = 241,789,525,151,101.50
  5. Step 5: Solve for x
    x = 241,789,525,151,101.50/13,369,977.40
  6. Step 6: Final answer
    x = 18,084,512.63

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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.