Home / 30,033,117-41,479,915.86-20,358,528.84

Finding the Fourth Proportional to 30,033,117, 41,479,915.86 and 20,358,528.84

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Solution

The fourth proportional to 30,033,117, 41,479,915.86 and 20,358,528.84 is: 28,117,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033,117 : 41,479,915.86 = 20,358,528.84 : x
  2. Step 2: Convert to fraction form
    30,033,117/41,479,915.86 = 20,358,528.84/x
  3. Step 3: Cross multiply
    30,033,117x = 41,479,915.86 × 20,358,528.84
  4. Step 4: Simplify right side
    30,033,117x = 844,470,063,316,583.38
  5. Step 5: Solve for x
    x = 844,470,063,316,583.38/30,033,117
  6. Step 6: Final answer
    x = 28,117,962.69

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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.