Home / 7,802,890-11,693,707.80-4,392,802.96

Finding the Fourth Proportional to 7,802,890, 11,693,707.80 and 4,392,802.96

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Solution

The fourth proportional to 7,802,890, 11,693,707.80 and 4,392,802.96 is: 6,583,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802,890 : 11,693,707.80 = 4,392,802.96 : x
  2. Step 2: Convert to fraction form
    7,802,890/11,693,707.80 = 4,392,802.96/x
  3. Step 3: Cross multiply
    7,802,890x = 11,693,707.80 × 4,392,802.96
  4. Step 4: Simplify right side
    7,802,890x = 51,368,154,237,215.09
  5. Step 5: Solve for x
    x = 51,368,154,237,215.09/7,802,890
  6. Step 6: Final answer
    x = 6,583,221.63

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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.