Home / 7,167,771.72-10,745,973.81-3,755,403.72

Finding the Fourth Proportional to 7,167,771.72, 10,745,973.81 and 3,755,403.72

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Solution

The fourth proportional to 7,167,771.72, 10,745,973.81 and 3,755,403.72 is: 5,630,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,771.72 : 10,745,973.81 = 3,755,403.72 : x
  2. Step 2: Convert to fraction form
    7,167,771.72/10,745,973.81 = 3,755,403.72/x
  3. Step 3: Cross multiply
    7,167,771.72x = 10,745,973.81 × 3,755,403.72
  4. Step 4: Simplify right side
    7,167,771.72x = 40,355,470,021,096.58
  5. Step 5: Solve for x
    x = 40,355,470,021,096.58/7,167,771.72
  6. Step 6: Final answer
    x = 5,630,127.69

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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.