Home / 27,883,079.84-38,476,963.37-15,492,749.60

Finding the Fourth Proportional to 27,883,079.84, 38,476,963.37 and 15,492,749.60

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Solution

The fourth proportional to 27,883,079.84, 38,476,963.37 and 15,492,749.60 is: 21,379,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883,079.84 : 38,476,963.37 = 15,492,749.60 : x
  2. Step 2: Convert to fraction form
    27,883,079.84/38,476,963.37 = 15,492,749.60/x
  3. Step 3: Cross multiply
    27,883,079.84x = 38,476,963.37 × 15,492,749.60
  4. Step 4: Simplify right side
    27,883,079.84x = 596,113,958,859,782.12
  5. Step 5: Solve for x
    x = 596,113,958,859,782.12/27,883,079.84
  6. Step 6: Final answer
    x = 21,379,057.20

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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.