Home / 40,224,106.65-55,509,057.12-21,889,523.37

Finding the Fourth Proportional to 40,224,106.65, 55,509,057.12 and 21,889,523.37

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Solution

The fourth proportional to 40,224,106.65, 55,509,057.12 and 21,889,523.37 is: 30,207,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,224,106.65 : 55,509,057.12 = 21,889,523.37 : x
  2. Step 2: Convert to fraction form
    40,224,106.65/55,509,057.12 = 21,889,523.37/x
  3. Step 3: Cross multiply
    40,224,106.65x = 55,509,057.12 × 21,889,523.37
  4. Step 4: Simplify right side
    40,224,106.65x = 1,215,066,803,074,905
  5. Step 5: Solve for x
    x = 1,215,066,803,074,905/40,224,106.65
  6. Step 6: Final answer
    x = 30,207,427.94

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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.