Home / 13,048,114.40-19,572,171.60-12,418,258.40

Finding the Fourth Proportional to 13,048,114.40, 19,572,171.60 and 12,418,258.40

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Solution

The fourth proportional to 13,048,114.40, 19,572,171.60 and 12,418,258.40 is: 18,627,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,114.40 : 19,572,171.60 = 12,418,258.40 : x
  2. Step 2: Convert to fraction form
    13,048,114.40/19,572,171.60 = 12,418,258.40/x
  3. Step 3: Cross multiply
    13,048,114.40x = 19,572,171.60 × 12,418,258.40
  4. Step 4: Simplify right side
    13,048,114.40x = 243,052,284,377,941.47
  5. Step 5: Solve for x
    x = 243,052,284,377,941.47/13,048,114.40
  6. Step 6: Final answer
    x = 18,627,387.60

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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.