Home / 12,920,673.24-17,831,323.26-7,119,453.42

Finding the Fourth Proportional to 12,920,673.24, 17,831,323.26 and 7,119,453.42

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Solution

The fourth proportional to 12,920,673.24, 17,831,323.26 and 7,119,453.42 is: 9,825,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,920,673.24 : 17,831,323.26 = 7,119,453.42 : x
  2. Step 2: Convert to fraction form
    12,920,673.24/17,831,323.26 = 7,119,453.42/x
  3. Step 3: Cross multiply
    12,920,673.24x = 17,831,323.26 × 7,119,453.42
  4. Step 4: Simplify right side
    12,920,673.24x = 126,949,275,366,532.56
  5. Step 5: Solve for x
    x = 126,949,275,366,532.56/12,920,673.24
  6. Step 6: Final answer
    x = 9,825,283.33

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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.