Home / 31,254,743.44-43,120,751.88-19,653,189.76

Finding the Fourth Proportional to 31,254,743.44, 43,120,751.88 and 19,653,189.76

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Solution

The fourth proportional to 31,254,743.44, 43,120,751.88 and 19,653,189.76 is: 27,114,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254,743.44 : 43,120,751.88 = 19,653,189.76 : x
  2. Step 2: Convert to fraction form
    31,254,743.44/43,120,751.88 = 19,653,189.76/x
  3. Step 3: Cross multiply
    31,254,743.44x = 43,120,751.88 × 19,653,189.76
  4. Step 4: Simplify right side
    31,254,743.44x = 847,460,319,291,516.88
  5. Step 5: Solve for x
    x = 847,460,319,291,516.88/31,254,743.44
  6. Step 6: Final answer
    x = 27,114,614.49

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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.