Home / 20,655,002.55-30,982,503.83-18,600,097.35

Finding the Fourth Proportional to 20,655,002.55, 30,982,503.83 and 18,600,097.35

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Solution

The fourth proportional to 20,655,002.55, 30,982,503.83 and 18,600,097.35 is: 27,900,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,655,002.55 : 30,982,503.83 = 18,600,097.35 : x
  2. Step 2: Convert to fraction form
    20,655,002.55/30,982,503.83 = 18,600,097.35/x
  3. Step 3: Cross multiply
    20,655,002.55x = 30,982,503.83 × 18,600,097.35
  4. Step 4: Simplify right side
    20,655,002.55x = 576,277,587,291,747.38
  5. Step 5: Solve for x
    x = 576,277,587,291,747.38/20,655,002.55
  6. Step 6: Final answer
    x = 27,900,146.03

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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.