Home / 19,149,717.60-28,724,576.40-9,072,021.60

Finding the Fourth Proportional to 19,149,717.60, 28,724,576.40 and 9,072,021.60

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Solution

The fourth proportional to 19,149,717.60, 28,724,576.40 and 9,072,021.60 is: 13,608,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149,717.60 : 28,724,576.40 = 9,072,021.60 : x
  2. Step 2: Convert to fraction form
    19,149,717.60/28,724,576.40 = 9,072,021.60/x
  3. Step 3: Cross multiply
    19,149,717.60x = 28,724,576.40 × 9,072,021.60
  4. Step 4: Simplify right side
    19,149,717.60x = 260,589,977,551,650.22
  5. Step 5: Solve for x
    x = 260,589,977,551,650.22/19,149,717.60
  6. Step 6: Final answer
    x = 13,608,032.40

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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.