Home / 28,775,439.60-43,156,938.60-12,601,359.60

Finding the Fourth Proportional to 28,775,439.60, 43,156,938.60 and 12,601,359.60

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Solution

The fourth proportional to 28,775,439.60, 43,156,938.60 and 12,601,359.60 is: 18,899,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775,439.60 : 43,156,938.60 = 12,601,359.60 : x
  2. Step 2: Convert to fraction form
    28,775,439.60/43,156,938.60 = 12,601,359.60/x
  3. Step 3: Cross multiply
    28,775,439.60x = 43,156,938.60 × 12,601,359.60
  4. Step 4: Simplify right side
    28,775,439.60x = 543,836,102,533,720.56
  5. Step 5: Solve for x
    x = 543,836,102,533,720.56/28,775,439.60
  6. Step 6: Final answer
    x = 18,899,315.18

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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.