Home / 11,812,964.40-16,301,901.60-6,380,456.40

Finding the Fourth Proportional to 11,812,964.40, 16,301,901.60 and 6,380,456.40

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Solution

The fourth proportional to 11,812,964.40, 16,301,901.60 and 6,380,456.40 is: 8,805,035.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812,964.40 : 16,301,901.60 = 6,380,456.40 : x
  2. Step 2: Convert to fraction form
    11,812,964.40/16,301,901.60 = 6,380,456.40/x
  3. Step 3: Cross multiply
    11,812,964.40x = 16,301,901.60 × 6,380,456.40
  4. Step 4: Simplify right side
    11,812,964.40x = 104,013,572,395,890.25
  5. Step 5: Solve for x
    x = 104,013,572,395,890.25/11,812,964.40
  6. Step 6: Final answer
    x = 8,805,035.63

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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.