Home / 8,064,991.40-12,097,487.10-7,318,495.40

Finding the Fourth Proportional to 8,064,991.40, 12,097,487.10 and 7,318,495.40

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Solution

The fourth proportional to 8,064,991.40, 12,097,487.10 and 7,318,495.40 is: 10,977,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,991.40 : 12,097,487.10 = 7,318,495.40 : x
  2. Step 2: Convert to fraction form
    8,064,991.40/12,097,487.10 = 7,318,495.40/x
  3. Step 3: Cross multiply
    8,064,991.40x = 12,097,487.10 × 7,318,495.40
  4. Step 4: Simplify right side
    8,064,991.40x = 88,535,403,692,909.34
  5. Step 5: Solve for x
    x = 88,535,403,692,909.34/8,064,991.40
  6. Step 6: Final answer
    x = 10,977,743.10

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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.