Home / 15,376,078.83-21,219,431.64-8,501,003.76

Finding the Fourth Proportional to 15,376,078.83, 21,219,431.64 and 8,501,003.76

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Solution

The fourth proportional to 15,376,078.83, 21,219,431.64 and 8,501,003.76 is: 11,731,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,078.83 : 21,219,431.64 = 8,501,003.76 : x
  2. Step 2: Convert to fraction form
    15,376,078.83/21,219,431.64 = 8,501,003.76/x
  3. Step 3: Cross multiply
    15,376,078.83x = 21,219,431.64 × 8,501,003.76
  4. Step 4: Simplify right side
    15,376,078.83x = 180,386,468,156,702.97
  5. Step 5: Solve for x
    x = 180,386,468,156,702.97/15,376,078.83
  6. Step 6: Final answer
    x = 11,731,630.03

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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.