Home / 21,333,851.32-29,440,792.86-11,544,295.54

Finding the Fourth Proportional to 21,333,851.32, 29,440,792.86 and 11,544,295.54

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Solution

The fourth proportional to 21,333,851.32, 29,440,792.86 and 11,544,295.54 is: 15,931,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333,851.32 : 29,440,792.86 = 11,544,295.54 : x
  2. Step 2: Convert to fraction form
    21,333,851.32/29,440,792.86 = 11,544,295.54/x
  3. Step 3: Cross multiply
    21,333,851.32x = 29,440,792.86 × 11,544,295.54
  4. Step 4: Simplify right side
    21,333,851.32x = 339,873,213,707,761.81
  5. Step 5: Solve for x
    x = 339,873,213,707,761.81/21,333,851.32
  6. Step 6: Final answer
    x = 15,931,170.07

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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.