Home / 27,665,205.04-38,178,571.08-15,275,263.60

Finding the Fourth Proportional to 27,665,205.04, 38,178,571.08 and 15,275,263.60

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Solution

The fourth proportional to 27,665,205.04, 38,178,571.08 and 15,275,263.60 is: 21,080,188.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,665,205.04 : 38,178,571.08 = 15,275,263.60 : x
  2. Step 2: Convert to fraction form
    27,665,205.04/38,178,571.08 = 15,275,263.60/x
  3. Step 3: Cross multiply
    27,665,205.04x = 38,178,571.08 × 15,275,263.60
  4. Step 4: Simplify right side
    27,665,205.04x = 583,187,737,118,336.62
  5. Step 5: Solve for x
    x = 583,187,737,118,336.62/27,665,205.04
  6. Step 6: Final answer
    x = 21,080,188.50

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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.