Home / 12,647,657.04-18,968,648.64-5,817,671.16

Finding the Fourth Proportional to 12,647,657.04, 18,968,648.64 and 5,817,671.16

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Solution

The fourth proportional to 12,647,657.04, 18,968,648.64 and 5,817,671.16 is: 8,725,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,657.04 : 18,968,648.64 = 5,817,671.16 : x
  2. Step 2: Convert to fraction form
    12,647,657.04/18,968,648.64 = 5,817,671.16/x
  3. Step 3: Cross multiply
    12,647,657.04x = 18,968,648.64 × 5,817,671.16
  4. Step 4: Simplify right side
    12,647,657.04x = 110,353,360,137,101.23
  5. Step 5: Solve for x
    x = 110,353,360,137,101.23/12,647,657.04
  6. Step 6: Final answer
    x = 8,725,201.81

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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.