Home / 21,932,857.47-30,269,374.34-12,143,301.82

Finding the Fourth Proportional to 21,932,857.47, 30,269,374.34 and 12,143,301.82

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Solution

The fourth proportional to 21,932,857.47, 30,269,374.34 and 12,143,301.82 is: 16,758,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,857.47 : 30,269,374.34 = 12,143,301.82 : x
  2. Step 2: Convert to fraction form
    21,932,857.47/30,269,374.34 = 12,143,301.82/x
  3. Step 3: Cross multiply
    21,932,857.47x = 30,269,374.34 × 12,143,301.82
  4. Step 4: Simplify right side
    21,932,857.47x = 367,570,148,513,183.31
  5. Step 5: Solve for x
    x = 367,570,148,513,183.31/21,932,857.47
  6. Step 6: Final answer
    x = 16,758,881.01

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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.