Home / 18,792,137.40-28,188,206.10-16,477,999.80

Finding the Fourth Proportional to 18,792,137.40, 28,188,206.10 and 16,477,999.80

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Solution

The fourth proportional to 18,792,137.40, 28,188,206.10 and 16,477,999.80 is: 24,716,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,137.40 : 28,188,206.10 = 16,477,999.80 : x
  2. Step 2: Convert to fraction form
    18,792,137.40/28,188,206.10 = 16,477,999.80/x
  3. Step 3: Cross multiply
    18,792,137.40x = 28,188,206.10 × 16,477,999.80
  4. Step 4: Simplify right side
    18,792,137.40x = 464,485,254,478,158.81
  5. Step 5: Solve for x
    x = 464,485,254,478,158.81/18,792,137.40
  6. Step 6: Final answer
    x = 24,716,999.70

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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.