Home / 30,767,329.32-42,471,987.88-19,170,622.48

Finding the Fourth Proportional to 30,767,329.32, 42,471,987.88 and 19,170,622.48

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Solution

The fourth proportional to 30,767,329.32, 42,471,987.88 and 19,170,622.48 is: 26,463,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,329.32 : 42,471,987.88 = 19,170,622.48 : x
  2. Step 2: Convert to fraction form
    30,767,329.32/42,471,987.88 = 19,170,622.48/x
  3. Step 3: Cross multiply
    30,767,329.32x = 42,471,987.88 × 19,170,622.48
  4. Step 4: Simplify right side
    30,767,329.32x = 814,214,445,622,615.62
  5. Step 5: Solve for x
    x = 814,214,445,622,615.62/30,767,329.32
  6. Step 6: Final answer
    x = 26,463,604.86

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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.