Home / 30,644,016.21-42,289,027.63-16,893,472.41

Finding the Fourth Proportional to 30,644,016.21, 42,289,027.63 and 16,893,472.41

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Solution

The fourth proportional to 30,644,016.21, 42,289,027.63 and 16,893,472.41 is: 23,313,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644,016.21 : 42,289,027.63 = 16,893,472.41 : x
  2. Step 2: Convert to fraction form
    30,644,016.21/42,289,027.63 = 16,893,472.41/x
  3. Step 3: Cross multiply
    30,644,016.21x = 42,289,027.63 × 16,893,472.41
  4. Step 4: Simplify right side
    30,644,016.21x = 714,408,521,470,899
  5. Step 5: Solve for x
    x = 714,408,521,470,899/30,644,016.21
  6. Step 6: Final answer
    x = 23,313,149.18

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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.