Home / 19,767,928.80-27,279,531.42-11,066,172.92

Finding the Fourth Proportional to 19,767,928.80, 27,279,531.42 and 11,066,172.92

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Solution

The fourth proportional to 19,767,928.80, 27,279,531.42 and 11,066,172.92 is: 15,271,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767,928.80 : 27,279,531.42 = 11,066,172.92 : x
  2. Step 2: Convert to fraction form
    19,767,928.80/27,279,531.42 = 11,066,172.92/x
  3. Step 3: Cross multiply
    19,767,928.80x = 27,279,531.42 × 11,066,172.92
  4. Step 4: Simplify right side
    19,767,928.80x = 301,880,011,733,895.50
  5. Step 5: Solve for x
    x = 301,880,011,733,895.50/19,767,928.80
  6. Step 6: Final answer
    x = 15,271,200.88

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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.