Home / 11,068,189.40-15,268,292.70-9,005,511.80

Finding the Fourth Proportional to 11,068,189.40, 15,268,292.70 and 9,005,511.80

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Solution

The fourth proportional to 11,068,189.40, 15,268,292.70 and 9,005,511.80 is: 12,422,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068,189.40 : 15,268,292.70 = 9,005,511.80 : x
  2. Step 2: Convert to fraction form
    11,068,189.40/15,268,292.70 = 9,005,511.80/x
  3. Step 3: Cross multiply
    11,068,189.40x = 15,268,292.70 × 9,005,511.80
  4. Step 4: Simplify right side
    11,068,189.40x = 137,498,790,075,703.86
  5. Step 5: Solve for x
    x = 137,498,790,075,703.86/11,068,189.40
  6. Step 6: Final answer
    x = 12,422,880.12

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1.5x scale

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.