Home / 12,271,665.81-16,934,950.16-6,764,919.80

Finding the Fourth Proportional to 12,271,665.81, 16,934,950.16 and 6,764,919.80

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Solution

The fourth proportional to 12,271,665.81, 16,934,950.16 and 6,764,919.80 is: 9,335,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271,665.81 : 16,934,950.16 = 6,764,919.80 : x
  2. Step 2: Convert to fraction form
    12,271,665.81/16,934,950.16 = 6,764,919.80/x
  3. Step 3: Cross multiply
    12,271,665.81x = 16,934,950.16 × 6,764,919.80
  4. Step 4: Simplify right side
    12,271,665.81x = 114,563,579,530,897.83
  5. Step 5: Solve for x
    x = 114,563,579,530,897.83/12,271,665.81
  6. Step 6: Final answer
    x = 9,335,617.62

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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.