Home / 30,033,126.04-41,479,928.26-20,358,537.88

Finding the Fourth Proportional to 30,033,126.04, 41,479,928.26 and 20,358,537.88

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Solution

The fourth proportional to 30,033,126.04, 41,479,928.26 and 20,358,537.88 is: 28,117,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033,126.04 : 41,479,928.26 = 20,358,537.88 : x
  2. Step 2: Convert to fraction form
    30,033,126.04/41,479,928.26 = 20,358,537.88/x
  3. Step 3: Cross multiply
    30,033,126.04x = 41,479,928.26 × 20,358,537.88
  4. Step 4: Simplify right side
    30,033,126.04x = 844,470,690,740,892.38
  5. Step 5: Solve for x
    x = 844,470,690,740,892.38/30,033,126.04
  6. Step 6: Final answer
    x = 28,117,975.12

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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.