Home / 18,792,054.60-28,188,081.90-10,729,897.80

Finding the Fourth Proportional to 18,792,054.60, 28,188,081.90 and 10,729,897.80

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Solution

The fourth proportional to 18,792,054.60, 28,188,081.90 and 10,729,897.80 is: 16,094,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,054.60 : 28,188,081.90 = 10,729,897.80 : x
  2. Step 2: Convert to fraction form
    18,792,054.60/28,188,081.90 = 10,729,897.80/x
  3. Step 3: Cross multiply
    18,792,054.60x = 28,188,081.90 × 10,729,897.80
  4. Step 4: Simplify right side
    18,792,054.60x = 302,455,237,965,029.81
  5. Step 5: Solve for x
    x = 302,455,237,965,029.81/18,792,054.60
  6. Step 6: Final answer
    x = 16,094,846.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.