Home / 12,589,007.80-18,883,511.70-4,075,454.20

Finding the Fourth Proportional to 12,589,007.80, 18,883,511.70 and 4,075,454.20

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Solution

The fourth proportional to 12,589,007.80, 18,883,511.70 and 4,075,454.20 is: 6,113,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,007.80 : 18,883,511.70 = 4,075,454.20 : x
  2. Step 2: Convert to fraction form
    12,589,007.80/18,883,511.70 = 4,075,454.20/x
  3. Step 3: Cross multiply
    12,589,007.80x = 18,883,511.70 × 4,075,454.20
  4. Step 4: Simplify right side
    12,589,007.80x = 76,958,887,068,514.14
  5. Step 5: Solve for x
    x = 76,958,887,068,514.14/12,589,007.80
  6. Step 6: Final answer
    x = 6,113,181.30

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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.