Home / 27,158,315.44-37,479,460.80-15,558,120.88

Finding the Fourth Proportional to 27,158,315.44, 37,479,460.80 and 15,558,120.88

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Solution

The fourth proportional to 27,158,315.44, 37,479,460.80 and 15,558,120.88 is: 21,470,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158,315.44 : 37,479,460.80 = 15,558,120.88 : x
  2. Step 2: Convert to fraction form
    27,158,315.44/37,479,460.80 = 15,558,120.88/x
  3. Step 3: Cross multiply
    27,158,315.44x = 37,479,460.80 × 15,558,120.88
  4. Step 4: Simplify right side
    27,158,315.44x = 583,109,981,643,621.50
  5. Step 5: Solve for x
    x = 583,109,981,643,621.50/27,158,315.44
  6. Step 6: Final answer
    x = 21,470,771.37

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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.