Home / 12,029,057.40-18,043,586.10-10,009,581.60

Finding the Fourth Proportional to 12,029,057.40, 18,043,586.10 and 10,009,581.60

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Solution

The fourth proportional to 12,029,057.40, 18,043,586.10 and 10,009,581.60 is: 15,014,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,057.40 : 18,043,586.10 = 10,009,581.60 : x
  2. Step 2: Convert to fraction form
    12,029,057.40/18,043,586.10 = 10,009,581.60/x
  3. Step 3: Cross multiply
    12,029,057.40x = 18,043,586.10 × 10,009,581.60
  4. Step 4: Simplify right side
    12,029,057.40x = 180,608,747,424,575.78
  5. Step 5: Solve for x
    x = 180,608,747,424,575.78/12,029,057.40
  6. Step 6: Final answer
    x = 15,014,372.40

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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.