Home / 30,621,036.80-45,931,555.20-27,786,684.80

Finding the Fourth Proportional to 30,621,036.80, 45,931,555.20 and 27,786,684.80

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Solution

The fourth proportional to 30,621,036.80, 45,931,555.20 and 27,786,684.80 is: 41,680,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621,036.80 : 45,931,555.20 = 27,786,684.80 : x
  2. Step 2: Convert to fraction form
    30,621,036.80/45,931,555.20 = 27,786,684.80/x
  3. Step 3: Cross multiply
    30,621,036.80x = 45,931,555.20 × 27,786,684.80
  4. Step 4: Simplify right side
    30,621,036.80x = 1,276,285,646,716,201
  5. Step 5: Solve for x
    x = 1,276,285,646,716,201/30,621,036.80
  6. Step 6: Final answer
    x = 41,680,027.20

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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.