Home / 16,870,511.40-25,305,767.10-12,358,357.80

Finding the Fourth Proportional to 16,870,511.40, 25,305,767.10 and 12,358,357.80

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Solution

The fourth proportional to 16,870,511.40, 25,305,767.10 and 12,358,357.80 is: 18,537,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870,511.40 : 25,305,767.10 = 12,358,357.80 : x
  2. Step 2: Convert to fraction form
    16,870,511.40/25,305,767.10 = 12,358,357.80/x
  3. Step 3: Cross multiply
    16,870,511.40x = 25,305,767.10 × 12,358,357.80
  4. Step 4: Simplify right side
    16,870,511.40x = 312,737,724,225,268.44
  5. Step 5: Solve for x
    x = 312,737,724,225,268.44/16,870,511.40
  6. Step 6: Final answer
    x = 18,537,536.70

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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.