Home / 12,168,995.68-16,793,412.08-6,662,277.60

Finding the Fourth Proportional to 12,168,995.68, 16,793,412.08 and 6,662,277.60

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Solution

The fourth proportional to 12,168,995.68, 16,793,412.08 and 6,662,277.60 is: 9,194,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,995.68 : 16,793,412.08 = 6,662,277.60 : x
  2. Step 2: Convert to fraction form
    12,168,995.68/16,793,412.08 = 6,662,277.60/x
  3. Step 3: Cross multiply
    12,168,995.68x = 16,793,412.08 × 6,662,277.60
  4. Step 4: Simplify right side
    12,168,995.68x = 111,882,373,128,153.39
  5. Step 5: Solve for x
    x = 111,882,373,128,153.39/12,168,995.68
  6. Step 6: Final answer
    x = 9,194,051.51

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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.