Home / 8,317,114.90-12,479,819.55-4,725,639.70

Finding the Fourth Proportional to 8,317,114.90, 12,479,819.55 and 4,725,639.70

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Solution

The fourth proportional to 8,317,114.90, 12,479,819.55 and 4,725,639.70 is: 7,090,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,114.90 : 12,479,819.55 = 4,725,639.70 : x
  2. Step 2: Convert to fraction form
    8,317,114.90/12,479,819.55 = 4,725,639.70/x
  3. Step 3: Cross multiply
    8,317,114.90x = 12,479,819.55 × 4,725,639.70
  4. Step 4: Simplify right side
    8,317,114.90x = 58,975,130,714,316.14
  5. Step 5: Solve for x
    x = 58,975,130,714,316.14/8,317,114.90
  6. Step 6: Final answer
    x = 7,090,815.92

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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.