Home / 9,879,771.12-13,627,757.61-7,924,341.18

Finding the Fourth Proportional to 9,879,771.12, 13,627,757.61 and 7,924,341.18

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Solution

The fourth proportional to 9,879,771.12, 13,627,757.61 and 7,924,341.18 is: 10,930,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879,771.12 : 13,627,757.61 = 7,924,341.18 : x
  2. Step 2: Convert to fraction form
    9,879,771.12/13,627,757.61 = 7,924,341.18/x
  3. Step 3: Cross multiply
    9,879,771.12x = 13,627,757.61 × 7,924,341.18
  4. Step 4: Simplify right side
    9,879,771.12x = 107,991,000,819,981.38
  5. Step 5: Solve for x
    x = 107,991,000,819,981.38/9,879,771.12
  6. Step 6: Final answer
    x = 10,930,516.46

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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.