Home / 30,033,145.50-41,479,955.19-20,358,557.34

Finding the Fourth Proportional to 30,033,145.50, 41,479,955.19 and 20,358,557.34

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Solution

The fourth proportional to 30,033,145.50, 41,479,955.19 and 20,358,557.34 is: 28,118,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033,145.50 : 41,479,955.19 = 20,358,557.34 : x
  2. Step 2: Convert to fraction form
    30,033,145.50/41,479,955.19 = 20,358,557.34/x
  3. Step 3: Cross multiply
    30,033,145.50x = 41,479,955.19 × 20,358,557.34
  4. Step 4: Simplify right side
    30,033,145.50x = 844,472,046,196,245.50
  5. Step 5: Solve for x
    x = 844,472,046,196,245.50/30,033,145.50
  6. Step 6: Final answer
    x = 28,118,002.03

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1.5x scale

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.