Home / 51,603,726.42-71,213,121.86-28,398,853.35

Finding the Fourth Proportional to 51,603,726.42, 71,213,121.86 and 28,398,853.35

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Solution

The fourth proportional to 51,603,726.42, 71,213,121.86 and 28,398,853.35 is: 39,190,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603,726.42 : 71,213,121.86 = 28,398,853.35 : x
  2. Step 2: Convert to fraction form
    51,603,726.42/71,213,121.86 = 28,398,853.35/x
  3. Step 3: Cross multiply
    51,603,726.42x = 71,213,121.86 × 28,398,853.35
  4. Step 4: Simplify right side
    51,603,726.42x = 2,022,371,004,155,825.25
  5. Step 5: Solve for x
    x = 2,022,371,004,155,825.25/51,603,726.42
  6. Step 6: Final answer
    x = 39,190,406.28

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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.