Home / 22,009,745.70-30,374,397.69-12,220,190.34

Finding the Fourth Proportional to 22,009,745.70, 30,374,397.69 and 12,220,190.34

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Solution

The fourth proportional to 22,009,745.70, 30,374,397.69 and 12,220,190.34 is: 16,864,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009,745.70 : 30,374,397.69 = 12,220,190.34 : x
  2. Step 2: Convert to fraction form
    22,009,745.70/30,374,397.69 = 12,220,190.34/x
  3. Step 3: Cross multiply
    22,009,745.70x = 30,374,397.69 × 12,220,190.34
  4. Step 4: Simplify right side
    22,009,745.70x = 371,180,921,234,656.31
  5. Step 5: Solve for x
    x = 371,180,921,234,656.31/22,009,745.70
  6. Step 6: Final answer
    x = 16,864,389.36

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1.5x scale

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.