Home / 12,226,439.70-16,872,661.35-6,720,323.58

Finding the Fourth Proportional to 12,226,439.70, 16,872,661.35 and 6,720,323.58

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Solution

The fourth proportional to 12,226,439.70, 16,872,661.35 and 6,720,323.58 is: 9,274,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,439.70 : 16,872,661.35 = 6,720,323.58 : x
  2. Step 2: Convert to fraction form
    12,226,439.70/16,872,661.35 = 6,720,323.58/x
  3. Step 3: Cross multiply
    12,226,439.70x = 16,872,661.35 × 6,720,323.58
  4. Step 4: Simplify right side
    12,226,439.70x = 113,389,743,927,759.64
  5. Step 5: Solve for x
    x = 113,389,743,927,759.64/12,226,439.70
  6. Step 6: Final answer
    x = 9,274,142.49

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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.