Home / 15,283,291.41-21,091,116.29-8,756,789.85

Finding the Fourth Proportional to 15,283,291.41, 21,091,116.29 and 8,756,789.85

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Solution

The fourth proportional to 15,283,291.41, 21,091,116.29 and 8,756,789.85 is: 12,084,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283,291.41 : 21,091,116.29 = 8,756,789.85 : x
  2. Step 2: Convert to fraction form
    15,283,291.41/21,091,116.29 = 8,756,789.85/x
  3. Step 3: Cross multiply
    15,283,291.41x = 21,091,116.29 × 8,756,789.85
  4. Step 4: Simplify right side
    15,283,291.41x = 184,690,473,009,657.69
  5. Step 5: Solve for x
    x = 184,690,473,009,657.69/15,283,291.41
  6. Step 6: Final answer
    x = 12,084,469.77

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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.