Home / 13,786,426.80-19,012,883.76-8,630,258.40

Finding the Fourth Proportional to 13,786,426.80, 19,012,883.76 and 8,630,258.40

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Solution

The fourth proportional to 13,786,426.80, 19,012,883.76 and 8,630,258.40 is: 11,902,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,426.80 : 19,012,883.76 = 8,630,258.40 : x
  2. Step 2: Convert to fraction form
    13,786,426.80/19,012,883.76 = 8,630,258.40/x
  3. Step 3: Cross multiply
    13,786,426.80x = 19,012,883.76 × 8,630,258.40
  4. Step 4: Simplify right side
    13,786,426.80x = 164,086,099,777,963.59
  5. Step 5: Solve for x
    x = 164,086,099,777,963.59/13,786,426.80
  6. Step 6: Final answer
    x = 11,902,003.48

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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.