Home / 13,920,242.29-20,879,136.87-6,241,826.33

Finding the Fourth Proportional to 13,920,242.29, 20,879,136.87 and 6,241,826.33

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Solution

The fourth proportional to 13,920,242.29, 20,879,136.87 and 6,241,826.33 is: 9,362,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920,242.29 : 20,879,136.87 = 6,241,826.33 : x
  2. Step 2: Convert to fraction form
    13,920,242.29/20,879,136.87 = 6,241,826.33/x
  3. Step 3: Cross multiply
    13,920,242.29x = 20,879,136.87 × 6,241,826.33
  4. Step 4: Simplify right side
    13,920,242.29x = 130,323,946,262,839.80
  5. Step 5: Solve for x
    x = 130,323,946,262,839.80/13,920,242.29
  6. Step 6: Final answer
    x = 9,362,189.50

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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.