Home / 7,890,665.26-11,836,669.09-2,772,653.17

Finding the Fourth Proportional to 7,890,665.26, 11,836,669.09 and 2,772,653.17

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Solution

The fourth proportional to 7,890,665.26, 11,836,669.09 and 2,772,653.17 is: 4,159,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,665.26 : 11,836,669.09 = 2,772,653.17 : x
  2. Step 2: Convert to fraction form
    7,890,665.26/11,836,669.09 = 2,772,653.17/x
  3. Step 3: Cross multiply
    7,890,665.26x = 11,836,669.09 × 2,772,653.17
  4. Step 4: Simplify right side
    7,890,665.26x = 32,818,978,038,106.21
  5. Step 5: Solve for x
    x = 32,818,978,038,106.21/7,890,665.26
  6. Step 6: Final answer
    x = 4,159,215.60

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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.