Home / 13,500,957.04-18,629,316.47-8,199,893.39

Finding the Fourth Proportional to 13,500,957.04, 18,629,316.47 and 8,199,893.39

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Solution

The fourth proportional to 13,500,957.04, 18,629,316.47 and 8,199,893.39 is: 11,314,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,957.04 : 18,629,316.47 = 8,199,893.39 : x
  2. Step 2: Convert to fraction form
    13,500,957.04/18,629,316.47 = 8,199,893.39/x
  3. Step 3: Cross multiply
    13,500,957.04x = 18,629,316.47 × 8,199,893.39
  4. Step 4: Simplify right side
    13,500,957.04x = 152,758,409,049,644.16
  5. Step 5: Solve for x
    x = 152,758,409,049,644.16/13,500,957.04
  6. Step 6: Final answer
    x = 11,314,635.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.