Home / 28,482,004.70-42,724,173.45-8,287,246.70

Finding the Fourth Proportional to 28,482,004.70, 42,724,173.45 and 8,287,246.70

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Solution

The fourth proportional to 28,482,004.70, 42,724,173.45 and 8,287,246.70 is: 12,431,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482,004.70 : 42,724,173.45 = 8,287,246.70 : x
  2. Step 2: Convert to fraction form
    28,482,004.70/42,724,173.45 = 8,287,246.70/x
  3. Step 3: Cross multiply
    28,482,004.70x = 42,724,173.45 × 8,287,246.70
  4. Step 4: Simplify right side
    28,482,004.70x = 354,065,765,433,740.12
  5. Step 5: Solve for x
    x = 354,065,765,433,740.12/28,482,004.70
  6. Step 6: Final answer
    x = 12,431,209.43

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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.