Home / 30,767,282.56-42,471,923.38-19,170,575.64

Finding the Fourth Proportional to 30,767,282.56, 42,471,923.38 and 19,170,575.64

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Solution

The fourth proportional to 30,767,282.56, 42,471,923.38 and 19,170,575.64 is: 26,463,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,282.56 : 42,471,923.38 = 19,170,575.64 : x
  2. Step 2: Convert to fraction form
    30,767,282.56/42,471,923.38 = 19,170,575.64/x
  3. Step 3: Cross multiply
    30,767,282.56x = 42,471,923.38 × 19,170,575.64
  4. Step 4: Simplify right side
    30,767,282.56x = 814,211,219,792,482.50
  5. Step 5: Solve for x
    x = 814,211,219,792,482.50/30,767,282.56
  6. Step 6: Final answer
    x = 26,463,540.23

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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.