Home / 20,373,260-28,119,092.64-11,677,261.16

Finding the Fourth Proportional to 20,373,260, 28,119,092.64 and 11,677,261.16

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Solution

The fourth proportional to 20,373,260, 28,119,092.64 and 11,677,261.16 is: 16,116,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373,260 : 28,119,092.64 = 11,677,261.16 : x
  2. Step 2: Convert to fraction form
    20,373,260/28,119,092.64 = 11,677,261.16/x
  3. Step 3: Cross multiply
    20,373,260x = 28,119,092.64 × 11,677,261.16
  4. Step 4: Simplify right side
    20,373,260x = 328,353,988,339,513.88
  5. Step 5: Solve for x
    x = 328,353,988,339,513.88/20,373,260
  6. Step 6: Final answer
    x = 16,116,909.53

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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.