Home / 12,548,235.79-18,822,288.04-6,827,336.09

Finding the Fourth Proportional to 12,548,235.79, 18,822,288.04 and 6,827,336.09

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Solution

The fourth proportional to 12,548,235.79, 18,822,288.04 and 6,827,336.09 is: 10,240,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548,235.79 : 18,822,288.04 = 6,827,336.09 : x
  2. Step 2: Convert to fraction form
    12,548,235.79/18,822,288.04 = 6,827,336.09/x
  3. Step 3: Cross multiply
    12,548,235.79x = 18,822,288.04 × 6,827,336.09
  4. Step 4: Simplify right side
    12,548,235.79x = 128,506,086,431,867.36
  5. Step 5: Solve for x
    x = 128,506,086,431,867.36/12,548,235.79
  6. Step 6: Final answer
    x = 10,240,968.42

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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.