Home / 20,373,301.76-28,119,150.72-11,677,304

Finding the Fourth Proportional to 20,373,301.76, 28,119,150.72 and 11,677,304

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Solution

The fourth proportional to 20,373,301.76, 28,119,150.72 and 11,677,304 is: 16,116,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373,301.76 : 28,119,150.72 = 11,677,304 : x
  2. Step 2: Convert to fraction form
    20,373,301.76/28,119,150.72 = 11,677,304/x
  3. Step 3: Cross multiply
    20,373,301.76x = 28,119,150.72 × 11,677,304
  4. Step 4: Simplify right side
    20,373,301.76x = 328,355,871,179,258.88
  5. Step 5: Solve for x
    x = 328,355,871,179,258.88/20,373,301.76
  6. Step 6: Final answer
    x = 16,116,968.92

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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.