Home / 8,380,045.80-12,570,068.70-7,476,596.10

Finding the Fourth Proportional to 8,380,045.80, 12,570,068.70 and 7,476,596.10

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Solution

The fourth proportional to 8,380,045.80, 12,570,068.70 and 7,476,596.10 is: 11,214,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,045.80 : 12,570,068.70 = 7,476,596.10 : x
  2. Step 2: Convert to fraction form
    8,380,045.80/12,570,068.70 = 7,476,596.10/x
  3. Step 3: Cross multiply
    8,380,045.80x = 12,570,068.70 × 7,476,596.10
  4. Step 4: Simplify right side
    8,380,045.80x = 93,981,326,619,152.06
  5. Step 5: Solve for x
    x = 93,981,326,619,152.06/8,380,045.80
  6. Step 6: Final answer
    x = 11,214,894.15

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Double scale
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Similar ratio
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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.