Home / 27,661,797.15-38,173,073.76-15,271,888.11

Finding the Fourth Proportional to 27,661,797.15, 38,173,073.76 and 15,271,888.11

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Solution

The fourth proportional to 27,661,797.15, 38,173,073.76 and 15,271,888.11 is: 21,075,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661,797.15 : 38,173,073.76 = 15,271,888.11 : x
  2. Step 2: Convert to fraction form
    27,661,797.15/38,173,073.76 = 15,271,888.11/x
  3. Step 3: Cross multiply
    27,661,797.15x = 38,173,073.76 × 15,271,888.11
  4. Step 4: Simplify right side
    27,661,797.15x = 582,974,911,277,497
  5. Step 5: Solve for x
    x = 582,974,911,277,497/27,661,797.15
  6. Step 6: Final answer
    x = 21,075,091.69

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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.