Home / 28,270,956.60-42,406,435.10-8,076,198.60

Finding the Fourth Proportional to 28,270,956.60, 42,406,435.10 and 8,076,198.60

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Solution

The fourth proportional to 28,270,956.60, 42,406,435.10 and 8,076,198.60 is: 12,114,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270,956.60 : 42,406,435.10 = 8,076,198.60 : x
  2. Step 2: Convert to fraction form
    28,270,956.60/42,406,435.10 = 8,076,198.60/x
  3. Step 3: Cross multiply
    28,270,956.60x = 42,406,435.10 × 8,076,198.60
  4. Step 4: Simplify right side
    28,270,956.60x = 342,482,791,745,229.81
  5. Step 5: Solve for x
    x = 342,482,791,745,229.81/28,270,956.60
  6. Step 6: Final answer
    x = 12,114,297.96

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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.