Home / 30,755,840.67-46,133,805.89-12,560,036.06

Finding the Fourth Proportional to 30,755,840.67, 46,133,805.89 and 12,560,036.06

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Solution

The fourth proportional to 30,755,840.67, 46,133,805.89 and 12,560,036.06 is: 18,840,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755,840.67 : 46,133,805.89 = 12,560,036.06 : x
  2. Step 2: Convert to fraction form
    30,755,840.67/46,133,805.89 = 12,560,036.06/x
  3. Step 3: Cross multiply
    30,755,840.67x = 46,133,805.89 × 12,560,036.06
  4. Step 4: Simplify right side
    30,755,840.67x = 579,442,265,269,971.12
  5. Step 5: Solve for x
    x = 579,442,265,269,971.12/30,755,840.67
  6. Step 6: Final answer
    x = 18,840,072.41

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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.