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Finding the Fourth Proportional to 7,233,547.65, 9,982,794.69 and 4,781,906.97

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Solution

The fourth proportional to 7,233,547.65, 9,982,794.69 and 4,781,906.97 is: 6,599,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,233,547.65 : 9,982,794.69 = 4,781,906.97 : x
  2. Step 2: Convert to fraction form
    7,233,547.65/9,982,794.69 = 4,781,906.97/x
  3. Step 3: Cross multiply
    7,233,547.65x = 9,982,794.69 × 4,781,906.97
  4. Step 4: Simplify right side
    7,233,547.65x = 47,736,795,508,189.98
  5. Step 5: Solve for x
    x = 47,736,795,508,189.98/7,233,547.65
  6. Step 6: Final answer
    x = 6,599,361.45

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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.