Home / 28,990,152.32-43,485,236.57-8,519,870.79

Finding the Fourth Proportional to 28,990,152.32, 43,485,236.57 and 8,519,870.79

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Solution

The fourth proportional to 28,990,152.32, 43,485,236.57 and 8,519,870.79 is: 12,779,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990,152.32 : 43,485,236.57 = 8,519,870.79 : x
  2. Step 2: Convert to fraction form
    28,990,152.32/43,485,236.57 = 8,519,870.79/x
  3. Step 3: Cross multiply
    28,990,152.32x = 43,485,236.57 × 8,519,870.79
  4. Step 4: Simplify right side
    28,990,152.32x = 370,488,596,870,282.44
  5. Step 5: Solve for x
    x = 370,488,596,870,282.44/28,990,152.32
  6. Step 6: Final answer
    x = 12,779,808.57

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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.