Home / 30,621,521.80-45,932,282.70-27,787,169.80

Finding the Fourth Proportional to 30,621,521.80, 45,932,282.70 and 27,787,169.80

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Solution

The fourth proportional to 30,621,521.80, 45,932,282.70 and 27,787,169.80 is: 41,680,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621,521.80 : 45,932,282.70 = 27,787,169.80 : x
  2. Step 2: Convert to fraction form
    30,621,521.80/45,932,282.70 = 27,787,169.80/x
  3. Step 3: Cross multiply
    30,621,521.80x = 45,932,282.70 × 27,787,169.80
  4. Step 4: Simplify right side
    30,621,521.80x = 1,276,328,138,686,502.50
  5. Step 5: Solve for x
    x = 1,276,328,138,686,502.50/30,621,521.80
  6. Step 6: Final answer
    x = 41,680,754.70

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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.