Home / 12,414,422.40-18,621,633.60-10,997,246.40

Finding the Fourth Proportional to 12,414,422.40, 18,621,633.60 and 10,997,246.40

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Solution

The fourth proportional to 12,414,422.40, 18,621,633.60 and 10,997,246.40 is: 16,495,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414,422.40 : 18,621,633.60 = 10,997,246.40 : x
  2. Step 2: Convert to fraction form
    12,414,422.40/18,621,633.60 = 10,997,246.40/x
  3. Step 3: Cross multiply
    12,414,422.40x = 18,621,633.60 × 10,997,246.40
  4. Step 4: Simplify right side
    12,414,422.40x = 204,786,693,069,719.06
  5. Step 5: Solve for x
    x = 204,786,693,069,719.06/12,414,422.40
  6. Step 6: Final answer
    x = 16,495,869.60

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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.