Home / 11,855,012.64-16,359,814.80-6,422,491.68

Finding the Fourth Proportional to 11,855,012.64, 16,359,814.80 and 6,422,491.68

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Solution

The fourth proportional to 11,855,012.64, 16,359,814.80 and 6,422,491.68 is: 8,862,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855,012.64 : 16,359,814.80 = 6,422,491.68 : x
  2. Step 2: Convert to fraction form
    11,855,012.64/16,359,814.80 = 6,422,491.68/x
  3. Step 3: Cross multiply
    11,855,012.64x = 16,359,814.80 × 6,422,491.68
  4. Step 4: Simplify right side
    11,855,012.64x = 105,070,774,439,340.86
  5. Step 5: Solve for x
    x = 105,070,774,439,340.86/11,855,012.64
  6. Step 6: Final answer
    x = 8,862,982.91

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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.