Home / 28,407,270.40-42,610,905.60-12,482,022.40

Finding the Fourth Proportional to 28,407,270.40, 42,610,905.60 and 12,482,022.40

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Solution

The fourth proportional to 28,407,270.40, 42,610,905.60 and 12,482,022.40 is: 18,723,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407,270.40 : 42,610,905.60 = 12,482,022.40 : x
  2. Step 2: Convert to fraction form
    28,407,270.40/42,610,905.60 = 12,482,022.40/x
  3. Step 3: Cross multiply
    28,407,270.40x = 42,610,905.60 × 12,482,022.40
  4. Step 4: Simplify right side
    28,407,270.40x = 531,870,278,183,485.50
  5. Step 5: Solve for x
    x = 531,870,278,183,485.50/28,407,270.40
  6. Step 6: Final answer
    x = 18,723,033.60

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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.