Home / 20,324,871,598.21-28,049,079,768.25-12,187,999,772.35

Finding the Fourth Proportional to 20,324,871,598.21, 28,049,079,768.25 and 12,187,999,772.35

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Solution

The fourth proportional to 20,324,871,598.21, 28,049,079,768.25 and 12,187,999,772.35 is: 16,819,893,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324,871,598.21 : 28,049,079,768.25 = 12,187,999,772.35 : x
  2. Step 2: Convert to fraction form
    20,324,871,598.21/28,049,079,768.25 = 12,187,999,772.35/x
  3. Step 3: Cross multiply
    20,324,871,598.21x = 28,049,079,768.25 × 12,187,999,772.35
  4. Step 4: Simplify right side
    20,324,871,598.21x = 341,862,177,830,110,429,184
  5. Step 5: Solve for x
    x = 341,862,177,830,110,429,184/20,324,871,598.21
  6. Step 6: Final answer
    x = 16,819,893,605.64

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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.