Home / 11,862,428.44-16,370,135.58-6,429,919

Finding the Fourth Proportional to 11,862,428.44, 16,370,135.58 and 6,429,919

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Solution

The fourth proportional to 11,862,428.44, 16,370,135.58 and 6,429,919 is: 8,873,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862,428.44 : 16,370,135.58 = 6,429,919 : x
  2. Step 2: Convert to fraction form
    11,862,428.44/16,370,135.58 = 6,429,919/x
  3. Step 3: Cross multiply
    11,862,428.44x = 16,370,135.58 × 6,429,919
  4. Step 4: Simplify right side
    11,862,428.44x = 105,258,645,798,418.02
  5. Step 5: Solve for x
    x = 105,258,645,798,418.02/11,862,428.44
  6. Step 6: Final answer
    x = 8,873,279.73

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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.