Home / 28,325,037.20-42,487,555.80-14,860,115.60

Finding the Fourth Proportional to 28,325,037.20, 42,487,555.80 and 14,860,115.60

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Solution

The fourth proportional to 28,325,037.20, 42,487,555.80 and 14,860,115.60 is: 22,290,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325,037.20 : 42,487,555.80 = 14,860,115.60 : x
  2. Step 2: Convert to fraction form
    28,325,037.20/42,487,555.80 = 14,860,115.60/x
  3. Step 3: Cross multiply
    28,325,037.20x = 42,487,555.80 × 14,860,115.60
  4. Step 4: Simplify right side
    28,325,037.20x = 631,369,990,749,450.38
  5. Step 5: Solve for x
    x = 631,369,990,749,450.38/28,325,037.20
  6. Step 6: Final answer
    x = 22,290,173.40

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Similar ratio
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1.5x scale

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.