Home / 28,660,908.58-39,550,262.25-15,783,852.58

Finding the Fourth Proportional to 28,660,908.58, 39,550,262.25 and 15,783,852.58

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Solution

The fourth proportional to 28,660,908.58, 39,550,262.25 and 15,783,852.58 is: 21,780,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660,908.58 : 39,550,262.25 = 15,783,852.58 : x
  2. Step 2: Convert to fraction form
    28,660,908.58/39,550,262.25 = 15,783,852.58/x
  3. Step 3: Cross multiply
    28,660,908.58x = 39,550,262.25 × 15,783,852.58
  4. Step 4: Simplify right side
    28,660,908.58x = 624,255,508,854,339.12
  5. Step 5: Solve for x
    x = 624,255,508,854,339.12/28,660,908.58
  6. Step 6: Final answer
    x = 21,780,729.91

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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.