Home / 28,180,841.80-42,271,262.70-16,843,433.80

Finding the Fourth Proportional to 28,180,841.80, 42,271,262.70 and 16,843,433.80

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Solution

The fourth proportional to 28,180,841.80, 42,271,262.70 and 16,843,433.80 is: 25,265,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180,841.80 : 42,271,262.70 = 16,843,433.80 : x
  2. Step 2: Convert to fraction form
    28,180,841.80/42,271,262.70 = 16,843,433.80/x
  3. Step 3: Cross multiply
    28,180,841.80x = 42,271,262.70 × 16,843,433.80
  4. Step 4: Simplify right side
    28,180,841.80x = 711,993,214,929,859.38
  5. Step 5: Solve for x
    x = 711,993,214,929,859.38/28,180,841.80
  6. Step 6: Final answer
    x = 25,265,150.70

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1.5x scale

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.