Home / 11,881,209.78-16,395,630.93-6,448,585.14

Finding the Fourth Proportional to 11,881,209.78, 16,395,630.93 and 6,448,585.14

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Solution

The fourth proportional to 11,881,209.78, 16,395,630.93 and 6,448,585.14 is: 8,898,809.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,209.78 : 16,395,630.93 = 6,448,585.14 : x
  2. Step 2: Convert to fraction form
    11,881,209.78/16,395,630.93 = 6,448,585.14/x
  3. Step 3: Cross multiply
    11,881,209.78x = 16,395,630.93 × 6,448,585.14
  4. Step 4: Simplify right side
    11,881,209.78x = 105,728,621,976,122.38
  5. Step 5: Solve for x
    x = 105,728,621,976,122.38/11,881,209.78
  6. Step 6: Final answer
    x = 8,898,809.46

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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.