Home / 11,639,807.90-16,062,939.30-6,747,865.79

Finding the Fourth Proportional to 11,639,807.90, 16,062,939.30 and 6,747,865.79

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Solution

The fourth proportional to 11,639,807.90, 16,062,939.30 and 6,747,865.79 is: 9,312,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639,807.90 : 16,062,939.30 = 6,747,865.79 : x
  2. Step 2: Convert to fraction form
    11,639,807.90/16,062,939.30 = 6,747,865.79/x
  3. Step 3: Cross multiply
    11,639,807.90x = 16,062,939.30 × 6,747,865.79
  4. Step 4: Simplify right side
    11,639,807.90x = 108,390,558,509,001.86
  5. Step 5: Solve for x
    x = 108,390,558,509,001.86/11,639,807.90
  6. Step 6: Final answer
    x = 9,312,057.34

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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.