Home / 14,138,954.73-21,188,662.19-7,648,017.75

Finding the Fourth Proportional to 14,138,954.73, 21,188,662.19 and 7,648,017.75

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Solution

The fourth proportional to 14,138,954.73, 21,188,662.19 and 7,648,017.75 is: 11,461,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138,954.73 : 21,188,662.19 = 7,648,017.75 : x
  2. Step 2: Convert to fraction form
    14,138,954.73/21,188,662.19 = 7,648,017.75/x
  3. Step 3: Cross multiply
    14,138,954.73x = 21,188,662.19 × 7,648,017.75
  4. Step 4: Simplify right side
    14,138,954.73x = 162,051,264,489,633.78
  5. Step 5: Solve for x
    x = 162,051,264,489,633.78/14,138,954.73
  6. Step 6: Final answer
    x = 11,461,332.72

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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.