Home / 10,989,069.40-16,483,604.10-7,162,694.20

Finding the Fourth Proportional to 10,989,069.40, 16,483,604.10 and 7,162,694.20

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Solution

The fourth proportional to 10,989,069.40, 16,483,604.10 and 7,162,694.20 is: 10,744,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,069.40 : 16,483,604.10 = 7,162,694.20 : x
  2. Step 2: Convert to fraction form
    10,989,069.40/16,483,604.10 = 7,162,694.20/x
  3. Step 3: Cross multiply
    10,989,069.40x = 16,483,604.10 × 7,162,694.20
  4. Step 4: Simplify right side
    10,989,069.40x = 118,067,015,482,166.22
  5. Step 5: Solve for x
    x = 118,067,015,482,166.22/10,989,069.40
  6. Step 6: Final answer
    x = 10,744,041.30

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Similar ratio
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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.