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Finding the Fourth Proportional to 6,807,362.96, 9,393,987.54 and 3,709,965.92

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Solution

The fourth proportional to 6,807,362.96, 9,393,987.54 and 3,709,965.92 is: 5,119,658.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807,362.96 : 9,393,987.54 = 3,709,965.92 : x
  2. Step 2: Convert to fraction form
    6,807,362.96/9,393,987.54 = 3,709,965.92/x
  3. Step 3: Cross multiply
    6,807,362.96x = 9,393,987.54 × 3,709,965.92
  4. Step 4: Simplify right side
    6,807,362.96x = 34,851,373,626,304.63
  5. Step 5: Solve for x
    x = 34,851,373,626,304.63/6,807,362.96
  6. Step 6: Final answer
    x = 5,119,658.50

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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.