Home / 30,726,993.44-42,402,749.32-16,788,048.56

Finding the Fourth Proportional to 30,726,993.44, 42,402,749.32 and 16,788,048.56

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Solution

The fourth proportional to 30,726,993.44, 42,402,749.32 and 16,788,048.56 is: 23,167,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726,993.44 : 42,402,749.32 = 16,788,048.56 : x
  2. Step 2: Convert to fraction form
    30,726,993.44/42,402,749.32 = 16,788,048.56/x
  3. Step 3: Cross multiply
    30,726,993.44x = 42,402,749.32 × 16,788,048.56
  4. Step 4: Simplify right side
    30,726,993.44x = 711,859,414,868,164
  5. Step 5: Solve for x
    x = 711,859,414,868,164/30,726,993.44
  6. Step 6: Final answer
    x = 23,167,232.95

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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.