Home / 13,144,141.20-19,683,034.20-8,631,987.60

Finding the Fourth Proportional to 13,144,141.20, 19,683,034.20 and 8,631,987.60

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Solution

The fourth proportional to 13,144,141.20, 19,683,034.20 and 8,631,987.60 is: 12,926,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144,141.20 : 19,683,034.20 = 8,631,987.60 : x
  2. Step 2: Convert to fraction form
    13,144,141.20/19,683,034.20 = 8,631,987.60/x
  3. Step 3: Cross multiply
    13,144,141.20x = 19,683,034.20 × 8,631,987.60
  4. Step 4: Simplify right side
    13,144,141.20x = 169,903,707,144,775.91
  5. Step 5: Solve for x
    x = 169,903,707,144,775.91/13,144,141.20
  6. Step 6: Final answer
    x = 12,926,193.09

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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.