Home / 19,586,056.80-29,379,085.20-8,239,317.60

Finding the Fourth Proportional to 19,586,056.80, 29,379,085.20 and 8,239,317.60

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Solution

The fourth proportional to 19,586,056.80, 29,379,085.20 and 8,239,317.60 is: 12,358,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,056.80 : 29,379,085.20 = 8,239,317.60 : x
  2. Step 2: Convert to fraction form
    19,586,056.80/29,379,085.20 = 8,239,317.60/x
  3. Step 3: Cross multiply
    19,586,056.80x = 29,379,085.20 × 8,239,317.60
  4. Step 4: Simplify right side
    19,586,056.80x = 242,063,613,760,259.50
  5. Step 5: Solve for x
    x = 242,063,613,760,259.50/19,586,056.80
  6. Step 6: Final answer
    x = 12,358,976.40

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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.