Home / 13,715,982-20,533,613.13-9,155,719.67

Finding the Fourth Proportional to 13,715,982, 20,533,613.13 and 9,155,719.67

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Solution

The fourth proportional to 13,715,982, 20,533,613.13 and 9,155,719.67 is: 13,706,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715,982 : 20,533,613.13 = 9,155,719.67 : x
  2. Step 2: Convert to fraction form
    13,715,982/20,533,613.13 = 9,155,719.67/x
  3. Step 3: Cross multiply
    13,715,982x = 20,533,613.13 × 9,155,719.67
  4. Step 4: Simplify right side
    13,715,982x = 188,000,005,527,843.19
  5. Step 5: Solve for x
    x = 188,000,005,527,843.19/13,715,982
  6. Step 6: Final answer
    x = 13,706,638.40

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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.