Home / 11,779,976.40-17,669,964.60-6,391,208.40

Finding the Fourth Proportional to 11,779,976.40, 17,669,964.60 and 6,391,208.40

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Solution

The fourth proportional to 11,779,976.40, 17,669,964.60 and 6,391,208.40 is: 9,586,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779,976.40 : 17,669,964.60 = 6,391,208.40 : x
  2. Step 2: Convert to fraction form
    11,779,976.40/17,669,964.60 = 6,391,208.40/x
  3. Step 3: Cross multiply
    11,779,976.40x = 17,669,964.60 × 6,391,208.40
  4. Step 4: Simplify right side
    11,779,976.40x = 112,932,426,179,222.66
  5. Step 5: Solve for x
    x = 112,932,426,179,222.66/11,779,976.40
  6. Step 6: Final answer
    x = 9,586,812.60

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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.