Home / 19,077,789.48-28,621,361.34-15,671,832.36

Finding the Fourth Proportional to 19,077,789.48, 28,621,361.34 and 15,671,832.36

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Solution

The fourth proportional to 19,077,789.48, 28,621,361.34 and 15,671,832.36 is: 23,511,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077,789.48 : 28,621,361.34 = 15,671,832.36 : x
  2. Step 2: Convert to fraction form
    19,077,789.48/28,621,361.34 = 15,671,832.36/x
  3. Step 3: Cross multiply
    19,077,789.48x = 28,621,361.34 × 15,671,832.36
  4. Step 4: Simplify right side
    19,077,789.48x = 448,549,176,835,464.94
  5. Step 5: Solve for x
    x = 448,549,176,835,464.94/19,077,789.48
  6. Step 6: Final answer
    x = 23,511,590.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.