Home / 18,669,511-28,004,266.50-4,486,087

Finding the Fourth Proportional to 18,669,511, 28,004,266.50 and 4,486,087

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Solution

The fourth proportional to 18,669,511, 28,004,266.50 and 4,486,087 is: 6,729,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669,511 : 28,004,266.50 = 4,486,087 : x
  2. Step 2: Convert to fraction form
    18,669,511/28,004,266.50 = 4,486,087/x
  3. Step 3: Cross multiply
    18,669,511x = 28,004,266.50 × 4,486,087
  4. Step 4: Simplify right side
    18,669,511x = 125,629,575,890,185.50
  5. Step 5: Solve for x
    x = 125,629,575,890,185.50/18,669,511
  6. Step 6: Final answer
    x = 6,729,130.50

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1.5x scale

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.