Home / 21,932,864.98-30,269,384.70-12,143,309.32

Finding the Fourth Proportional to 21,932,864.98, 30,269,384.70 and 12,143,309.32

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Solution

The fourth proportional to 21,932,864.98, 30,269,384.70 and 12,143,309.32 is: 16,758,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,864.98 : 30,269,384.70 = 12,143,309.32 : x
  2. Step 2: Convert to fraction form
    21,932,864.98/30,269,384.70 = 12,143,309.32/x
  3. Step 3: Cross multiply
    21,932,864.98x = 30,269,384.70 × 12,143,309.32
  4. Step 4: Simplify right side
    21,932,864.98x = 367,570,501,338,175.38
  5. Step 5: Solve for x
    x = 367,570,501,338,175.38/21,932,864.98
  6. Step 6: Final answer
    x = 16,758,891.36

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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.