Home / 15,012,511.26-20,717,302.23-8,136,986.46

Finding the Fourth Proportional to 15,012,511.26, 20,717,302.23 and 8,136,986.46

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Solution

The fourth proportional to 15,012,511.26, 20,717,302.23 and 8,136,986.46 is: 11,229,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012,511.26 : 20,717,302.23 = 8,136,986.46 : x
  2. Step 2: Convert to fraction form
    15,012,511.26/20,717,302.23 = 8,136,986.46/x
  3. Step 3: Cross multiply
    15,012,511.26x = 20,717,302.23 × 8,136,986.46
  4. Step 4: Simplify right side
    15,012,511.26x = 168,576,407,733,237.81
  5. Step 5: Solve for x
    x = 168,576,407,733,237.81/15,012,511.26
  6. Step 6: Final answer
    x = 11,229,061.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.