Home / 16,870,766.40-25,306,149.60-12,358,612.80

Finding the Fourth Proportional to 16,870,766.40, 25,306,149.60 and 12,358,612.80

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Solution

The fourth proportional to 16,870,766.40, 25,306,149.60 and 12,358,612.80 is: 18,537,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870,766.40 : 25,306,149.60 = 12,358,612.80 : x
  2. Step 2: Convert to fraction form
    16,870,766.40/25,306,149.60 = 12,358,612.80/x
  3. Step 3: Cross multiply
    16,870,766.40x = 25,306,149.60 × 12,358,612.80
  4. Step 4: Simplify right side
    16,870,766.40x = 312,748,904,365,274.94
  5. Step 5: Solve for x
    x = 312,748,904,365,274.94/16,870,766.40
  6. Step 6: Final answer
    x = 18,537,919.20

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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.