Home / 7,702,892.70-11,545,007.85-3,438,534.30

Finding the Fourth Proportional to 7,702,892.70, 11,545,007.85 and 3,438,534.30

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Solution

The fourth proportional to 7,702,892.70, 11,545,007.85 and 3,438,534.30 is: 5,153,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702,892.70 : 11,545,007.85 = 3,438,534.30 : x
  2. Step 2: Convert to fraction form
    7,702,892.70/11,545,007.85 = 3,438,534.30/x
  3. Step 3: Cross multiply
    7,702,892.70x = 11,545,007.85 × 3,438,534.30
  4. Step 4: Simplify right side
    7,702,892.70x = 39,697,905,485,994.25
  5. Step 5: Solve for x
    x = 39,697,905,485,994.25/7,702,892.70
  6. Step 6: Final answer
    x = 5,153,636.05

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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.