Home / 31,243,837.62-46,675,744.30-20,224,255.40

Finding the Fourth Proportional to 31,243,837.62, 46,675,744.30 and 20,224,255.40

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Solution

The fourth proportional to 31,243,837.62, 46,675,744.30 and 20,224,255.40 is: 30,213,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243,837.62 : 46,675,744.30 = 20,224,255.40 : x
  2. Step 2: Convert to fraction form
    31,243,837.62/46,675,744.30 = 20,224,255.40/x
  3. Step 3: Cross multiply
    31,243,837.62x = 46,675,744.30 × 20,224,255.40
  4. Step 4: Simplify right side
    31,243,837.62x = 943,982,173,708,294.12
  5. Step 5: Solve for x
    x = 943,982,173,708,294.12/31,243,837.62
  6. Step 6: Final answer
    x = 30,213,387.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.