Home / 13,066,200.20-19,601,916.50-7,317,109.60

Finding the Fourth Proportional to 13,066,200.20, 19,601,916.50 and 7,317,109.60

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Solution

The fourth proportional to 13,066,200.20, 19,601,916.50 and 7,317,109.60 is: 10,977,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,200.20 : 19,601,916.50 = 7,317,109.60 : x
  2. Step 2: Convert to fraction form
    13,066,200.20/19,601,916.50 = 7,317,109.60/x
  3. Step 3: Cross multiply
    13,066,200.20x = 19,601,916.50 × 7,317,109.60
  4. Step 4: Simplify right side
    13,066,200.20x = 143,429,371,369,836.41
  5. Step 5: Solve for x
    x = 143,429,371,369,836.41/13,066,200.20
  6. Step 6: Final answer
    x = 10,977,129.48

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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.