Home / 30,268,031.70-45,393,190.20-10,835,005.80

Finding the Fourth Proportional to 30,268,031.70, 45,393,190.20 and 10,835,005.80

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Solution

The fourth proportional to 30,268,031.70, 45,393,190.20 and 10,835,005.80 is: 16,249,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268,031.70 : 45,393,190.20 = 10,835,005.80 : x
  2. Step 2: Convert to fraction form
    30,268,031.70/45,393,190.20 = 10,835,005.80/x
  3. Step 3: Cross multiply
    30,268,031.70x = 45,393,190.20 × 10,835,005.80
  4. Step 4: Simplify right side
    30,268,031.70x = 491,835,479,097,503.25
  5. Step 5: Solve for x
    x = 491,835,479,097,503.25/30,268,031.70
  6. Step 6: Final answer
    x = 16,249,338.05

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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.