Home / 11,810,871.47-16,299,002.72-6,378,363.47

Finding the Fourth Proportional to 11,810,871.47, 16,299,002.72 and 6,378,363.47

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Solution

The fourth proportional to 11,810,871.47, 16,299,002.72 and 6,378,363.47 is: 8,802,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810,871.47 : 16,299,002.72 = 6,378,363.47 : x
  2. Step 2: Convert to fraction form
    11,810,871.47/16,299,002.72 = 6,378,363.47/x
  3. Step 3: Cross multiply
    11,810,871.47x = 16,299,002.72 × 6,378,363.47
  4. Step 4: Simplify right side
    11,810,871.47x = 103,960,963,546,678.64
  5. Step 5: Solve for x
    x = 103,960,963,546,678.64/11,810,871.47
  6. Step 6: Final answer
    x = 8,802,141.64

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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.