Home / 22,009,755.46-30,374,411.16-12,220,200.12

Finding the Fourth Proportional to 22,009,755.46, 30,374,411.16 and 12,220,200.12

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Solution

The fourth proportional to 22,009,755.46, 30,374,411.16 and 12,220,200.12 is: 16,864,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009,755.46 : 30,374,411.16 = 12,220,200.12 : x
  2. Step 2: Convert to fraction form
    22,009,755.46/30,374,411.16 = 12,220,200.12/x
  3. Step 3: Cross multiply
    22,009,755.46x = 30,374,411.16 × 12,220,200.12
  4. Step 4: Simplify right side
    22,009,755.46x = 371,181,382,902,361.31
  5. Step 5: Solve for x
    x = 371,181,382,902,361.31/22,009,755.46
  6. Step 6: Final answer
    x = 16,864,402.86

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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.