Home / 27,886,079.94-38,481,384.22-15,495,907.30

Finding the Fourth Proportional to 27,886,079.94, 38,481,384.22 and 15,495,907.30

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Solution

The fourth proportional to 27,886,079.94, 38,481,384.22 and 15,495,907.30 is: 21,383,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886,079.94 : 38,481,384.22 = 15,495,907.30 : x
  2. Step 2: Convert to fraction form
    27,886,079.94/38,481,384.22 = 15,495,907.30/x
  3. Step 3: Cross multiply
    27,886,079.94x = 38,481,384.22 × 15,495,907.30
  4. Step 4: Simplify right side
    27,886,079.94x = 596,303,962,513,859.62
  5. Step 5: Solve for x
    x = 596,303,962,513,859.62/27,886,079.94
  6. Step 6: Final answer
    x = 21,383,570.72

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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.