Home / 13,144,645.20-19,683,790.20-8,632,491.60

Finding the Fourth Proportional to 13,144,645.20, 19,683,790.20 and 8,632,491.60

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Solution

The fourth proportional to 13,144,645.20, 19,683,790.20 and 8,632,491.60 is: 12,926,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144,645.20 : 19,683,790.20 = 8,632,491.60 : x
  2. Step 2: Convert to fraction form
    13,144,645.20/19,683,790.20 = 8,632,491.60/x
  3. Step 3: Cross multiply
    13,144,645.20x = 19,683,790.20 × 8,632,491.60
  4. Step 4: Simplify right side
    13,144,645.20x = 169,920,153,557,662.31
  5. Step 5: Solve for x
    x = 169,920,153,557,662.31/13,144,645.20
  6. Step 6: Final answer
    x = 12,926,948.65

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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.