Home / 8,355,972.38-12,533,958.70-5,515,420.19

Finding the Fourth Proportional to 8,355,972.38, 12,533,958.70 and 5,515,420.19

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Solution

The fourth proportional to 8,355,972.38, 12,533,958.70 and 5,515,420.19 is: 8,273,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355,972.38 : 12,533,958.70 = 5,515,420.19 : x
  2. Step 2: Convert to fraction form
    8,355,972.38/12,533,958.70 = 5,515,420.19/x
  3. Step 3: Cross multiply
    8,355,972.38x = 12,533,958.70 × 5,515,420.19
  4. Step 4: Simplify right side
    8,355,972.38x = 69,130,048,798,147.80
  5. Step 5: Solve for x
    x = 69,130,048,798,147.80/8,355,972.38
  6. Step 6: Final answer
    x = 8,273,130.37

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Double scale
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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.