Home / 8,698,991.45-12,004,276.21-4,831,760.66

Finding the Fourth Proportional to 8,698,991.45, 12,004,276.21 and 4,831,760.66

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Solution

The fourth proportional to 8,698,991.45, 12,004,276.21 and 4,831,760.66 is: 6,667,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698,991.45 : 12,004,276.21 = 4,831,760.66 : x
  2. Step 2: Convert to fraction form
    8,698,991.45/12,004,276.21 = 4,831,760.66/x
  3. Step 3: Cross multiply
    8,698,991.45x = 12,004,276.21 × 4,831,760.66
  4. Step 4: Simplify right side
    8,698,991.45x = 58,001,789,471,151.12
  5. Step 5: Solve for x
    x = 58,001,789,471,151.12/8,698,991.45
  6. Step 6: Final answer
    x = 6,667,645.31

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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.