Home / 30,378,946.84-41,923,340.40-16,627,615.72

Finding the Fourth Proportional to 30,378,946.84, 41,923,340.40 and 16,627,615.72

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Solution

The fourth proportional to 30,378,946.84, 41,923,340.40 and 16,627,615.72 is: 22,946,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,946.84 : 41,923,340.40 = 16,627,615.72 : x
  2. Step 2: Convert to fraction form
    30,378,946.84/41,923,340.40 = 16,627,615.72/x
  3. Step 3: Cross multiply
    30,378,946.84x = 41,923,340.40 × 16,627,615.72
  4. Step 4: Simplify right side
    30,378,946.84x = 697,085,193,869,951.12
  5. Step 5: Solve for x
    x = 697,085,193,869,951.12/30,378,946.84
  6. Step 6: Final answer
    x = 22,946,325.21

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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.