Home / 8,051,428.40-12,077,142.60-5,500,511.60

Finding the Fourth Proportional to 8,051,428.40, 12,077,142.60 and 5,500,511.60

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Solution

The fourth proportional to 8,051,428.40, 12,077,142.60 and 5,500,511.60 is: 8,250,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051,428.40 : 12,077,142.60 = 5,500,511.60 : x
  2. Step 2: Convert to fraction form
    8,051,428.40/12,077,142.60 = 5,500,511.60/x
  3. Step 3: Cross multiply
    8,051,428.40x = 12,077,142.60 × 5,500,511.60
  4. Step 4: Simplify right side
    8,051,428.40x = 66,430,462,966,154.16
  5. Step 5: Solve for x
    x = 66,430,462,966,154.16/8,051,428.40
  6. Step 6: Final answer
    x = 8,250,767.40

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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.