Home / 8,194,570.40-12,291,855.60-7,774,666.40

Finding the Fourth Proportional to 8,194,570.40, 12,291,855.60 and 7,774,666.40

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Solution

The fourth proportional to 8,194,570.40, 12,291,855.60 and 7,774,666.40 is: 11,661,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194,570.40 : 12,291,855.60 = 7,774,666.40 : x
  2. Step 2: Convert to fraction form
    8,194,570.40/12,291,855.60 = 7,774,666.40/x
  3. Step 3: Cross multiply
    8,194,570.40x = 12,291,855.60 × 7,774,666.40
  4. Step 4: Simplify right side
    8,194,570.40x = 95,565,076,726,971.84
  5. Step 5: Solve for x
    x = 95,565,076,726,971.84/8,194,570.40
  6. Step 6: Final answer
    x = 11,661,999.60

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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.