Home / 28,731,636.70-43,097,455.05-17,961,099.10

Finding the Fourth Proportional to 28,731,636.70, 43,097,455.05 and 17,961,099.10

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Solution

The fourth proportional to 28,731,636.70, 43,097,455.05 and 17,961,099.10 is: 26,941,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731,636.70 : 43,097,455.05 = 17,961,099.10 : x
  2. Step 2: Convert to fraction form
    28,731,636.70/43,097,455.05 = 17,961,099.10/x
  3. Step 3: Cross multiply
    28,731,636.70x = 43,097,455.05 × 17,961,099.10
  4. Step 4: Simplify right side
    28,731,636.70x = 774,077,661,110,845.50
  5. Step 5: Solve for x
    x = 774,077,661,110,845.50/28,731,636.70
  6. Step 6: Final answer
    x = 26,941,648.65

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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.