Home / 22,158,690.78-33,238,005.19-12,317,010.35

Finding the Fourth Proportional to 22,158,690.78, 33,238,005.19 and 12,317,010.35

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Solution

The fourth proportional to 22,158,690.78, 33,238,005.19 and 12,317,010.35 is: 18,475,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158,690.78 : 33,238,005.19 = 12,317,010.35 : x
  2. Step 2: Convert to fraction form
    22,158,690.78/33,238,005.19 = 12,317,010.35/x
  3. Step 3: Cross multiply
    22,158,690.78x = 33,238,005.19 × 12,317,010.35
  4. Step 4: Simplify right side
    22,158,690.78x = 409,392,853,938,583.75
  5. Step 5: Solve for x
    x = 409,392,853,938,583.75/22,158,690.78
  6. Step 6: Final answer
    x = 18,475,498.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.