Home / 30,696,777.37-42,361,292.95-16,945,446.25

Finding the Fourth Proportional to 30,696,777.37, 42,361,292.95 and 16,945,446.25

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Solution

The fourth proportional to 30,696,777.37, 42,361,292.95 and 16,945,446.25 is: 23,384,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696,777.37 : 42,361,292.95 = 16,945,446.25 : x
  2. Step 2: Convert to fraction form
    30,696,777.37/42,361,292.95 = 16,945,446.25/x
  3. Step 3: Cross multiply
    30,696,777.37x = 42,361,292.95 × 16,945,446.25
  4. Step 4: Simplify right side
    30,696,777.37x = 717,831,012,764,729
  5. Step 5: Solve for x
    x = 717,831,012,764,729/30,696,777.37
  6. Step 6: Final answer
    x = 23,384,572.40

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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.