Home / 10,991,716.20-16,487,574.30-4,609,175.40

Finding the Fourth Proportional to 10,991,716.20, 16,487,574.30 and 4,609,175.40

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Solution

The fourth proportional to 10,991,716.20, 16,487,574.30 and 4,609,175.40 is: 6,913,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,716.20 : 16,487,574.30 = 4,609,175.40 : x
  2. Step 2: Convert to fraction form
    10,991,716.20/16,487,574.30 = 4,609,175.40/x
  3. Step 3: Cross multiply
    10,991,716.20x = 16,487,574.30 × 4,609,175.40
  4. Step 4: Simplify right side
    10,991,716.20x = 75,994,121,869,232.23
  5. Step 5: Solve for x
    x = 75,994,121,869,232.23/10,991,716.20
  6. Step 6: Final answer
    x = 6,913,763.10

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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.