Home / 30,618,999.34-42,254,216.83-16,867,963.46

Finding the Fourth Proportional to 30,618,999.34, 42,254,216.83 and 16,867,963.46

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Solution

The fourth proportional to 30,618,999.34, 42,254,216.83 and 16,867,963.46 is: 23,277,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618,999.34 : 42,254,216.83 = 16,867,963.46 : x
  2. Step 2: Convert to fraction form
    30,618,999.34/42,254,216.83 = 16,867,963.46/x
  3. Step 3: Cross multiply
    30,618,999.34x = 42,254,216.83 × 16,867,963.46
  4. Step 4: Simplify right side
    30,618,999.34x = 712,742,585,519,357
  5. Step 5: Solve for x
    x = 712,742,585,519,357/30,618,999.34
  6. Step 6: Final answer
    x = 23,277,788.33

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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.