Home / 13,918,045.50-20,880,071.42-4,201,852.39

Finding the Fourth Proportional to 13,918,045.50, 20,880,071.42 and 4,201,852.39

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Solution

The fourth proportional to 13,918,045.50, 20,880,071.42 and 4,201,852.39 is: 6,303,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918,045.50 : 20,880,071.42 = 4,201,852.39 : x
  2. Step 2: Convert to fraction form
    13,918,045.50/20,880,071.42 = 4,201,852.39/x
  3. Step 3: Cross multiply
    13,918,045.50x = 20,880,071.42 × 4,201,852.39
  4. Step 4: Simplify right side
    13,918,045.50x = 87,734,977,926,288.25
  5. Step 5: Solve for x
    x = 87,734,977,926,288.25/13,918,045.50
  6. Step 6: Final answer
    x = 6,303,685.24

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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.