Home / 27,611,411.36-38,103,862.76-15,221,232.59

Finding the Fourth Proportional to 27,611,411.36, 38,103,862.76 and 15,221,232.59

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Solution

The fourth proportional to 27,611,411.36, 38,103,862.76 and 15,221,232.59 is: 21,005,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611,411.36 : 38,103,862.76 = 15,221,232.59 : x
  2. Step 2: Convert to fraction form
    27,611,411.36/38,103,862.76 = 15,221,232.59/x
  3. Step 3: Cross multiply
    27,611,411.36x = 38,103,862.76 × 15,221,232.59
  4. Step 4: Simplify right side
    27,611,411.36x = 579,987,757,380,774
  5. Step 5: Solve for x
    x = 579,987,757,380,774/27,611,411.36
  6. Step 6: Final answer
    x = 21,005,364.41

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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.