Home / 8,064,814.40-12,097,221.60-7,318,318.40

Finding the Fourth Proportional to 8,064,814.40, 12,097,221.60 and 7,318,318.40

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Solution

The fourth proportional to 8,064,814.40, 12,097,221.60 and 7,318,318.40 is: 10,977,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,814.40 : 12,097,221.60 = 7,318,318.40 : x
  2. Step 2: Convert to fraction form
    8,064,814.40/12,097,221.60 = 7,318,318.40/x
  3. Step 3: Cross multiply
    8,064,814.40x = 12,097,221.60 × 7,318,318.40
  4. Step 4: Simplify right side
    8,064,814.40x = 88,531,319,424,157.44
  5. Step 5: Solve for x
    x = 88,531,319,424,157.44/8,064,814.40
  6. Step 6: Final answer
    x = 10,977,477.60

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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.