Home / 22,267,639.32-30,728,820.78-13,100,871.48

Finding the Fourth Proportional to 22,267,639.32, 30,728,820.78 and 13,100,871.48

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Solution

The fourth proportional to 22,267,639.32, 30,728,820.78 and 13,100,871.48 is: 18,078,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,267,639.32 : 30,728,820.78 = 13,100,871.48 : x
  2. Step 2: Convert to fraction form
    22,267,639.32/30,728,820.78 = 13,100,871.48/x
  3. Step 3: Cross multiply
    22,267,639.32x = 30,728,820.78 × 13,100,871.48
  4. Step 4: Simplify right side
    22,267,639.32x = 402,574,331,770,733.38
  5. Step 5: Solve for x
    x = 402,574,331,770,733.38/22,267,639.32
  6. Step 6: Final answer
    x = 18,078,895.84

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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.