Home / 7,182,693.05-9,912,326.73-3,919,718.03

Finding the Fourth Proportional to 7,182,693.05, 9,912,326.73 and 3,919,718.03

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Solution

The fourth proportional to 7,182,693.05, 9,912,326.73 and 3,919,718.03 is: 5,409,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,693.05 : 9,912,326.73 = 3,919,718.03 : x
  2. Step 2: Convert to fraction form
    7,182,693.05/9,912,326.73 = 3,919,718.03/x
  3. Step 3: Cross multiply
    7,182,693.05x = 9,912,326.73 × 3,919,718.03
  4. Step 4: Simplify right side
    7,182,693.05x = 38,853,525,802,831.95
  5. Step 5: Solve for x
    x = 38,853,525,802,831.95/7,182,693.05
  6. Step 6: Final answer
    x = 5,409,325.66

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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.