Home / 27,612,112.12-38,103,733.79-15,052,907.20

Finding the Fourth Proportional to 27,612,112.12, 38,103,733.79 and 15,052,907.20

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Solution

The fourth proportional to 27,612,112.12, 38,103,733.79 and 15,052,907.20 is: 20,772,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612,112.12 : 38,103,733.79 = 15,052,907.20 : x
  2. Step 2: Convert to fraction form
    27,612,112.12/38,103,733.79 = 15,052,907.20/x
  3. Step 3: Cross multiply
    27,612,112.12x = 38,103,733.79 × 15,052,907.20
  4. Step 4: Simplify right side
    27,612,112.12x = 573,571,968,714,374.25
  5. Step 5: Solve for x
    x = 573,571,968,714,374.25/27,612,112.12
  6. Step 6: Final answer
    x = 20,772,477.17

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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.