Home / 30,588,811.80-45,883,217.70-17,657,080.80

Finding the Fourth Proportional to 30,588,811.80, 45,883,217.70 and 17,657,080.80

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Solution

The fourth proportional to 30,588,811.80, 45,883,217.70 and 17,657,080.80 is: 26,485,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588,811.80 : 45,883,217.70 = 17,657,080.80 : x
  2. Step 2: Convert to fraction form
    30,588,811.80/45,883,217.70 = 17,657,080.80/x
  3. Step 3: Cross multiply
    30,588,811.80x = 45,883,217.70 × 17,657,080.80
  4. Step 4: Simplify right side
    30,588,811.80x = 810,163,682,292,890.25
  5. Step 5: Solve for x
    x = 810,163,682,292,890.25/30,588,811.80
  6. Step 6: Final answer
    x = 26,485,621.20

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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.