Home / 12,154,029.60-18,219,639.60-4,586,080.80

Finding the Fourth Proportional to 12,154,029.60, 18,219,639.60 and 4,586,080.80

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Solution

The fourth proportional to 12,154,029.60, 18,219,639.60 and 4,586,080.80 is: 6,874,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,029.60 : 18,219,639.60 = 4,586,080.80 : x
  2. Step 2: Convert to fraction form
    12,154,029.60/18,219,639.60 = 4,586,080.80/x
  3. Step 3: Cross multiply
    12,154,029.60x = 18,219,639.60 × 4,586,080.80
  4. Step 4: Simplify right side
    12,154,029.60x = 83,556,739,352,479.69
  5. Step 5: Solve for x
    x = 83,556,739,352,479.69/12,154,029.60
  6. Step 6: Final answer
    x = 6,874,817.83

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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.