Home / 14,043,353.40-21,065,030.10-12,419,724.60

Finding the Fourth Proportional to 14,043,353.40, 21,065,030.10 and 12,419,724.60

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Solution

The fourth proportional to 14,043,353.40, 21,065,030.10 and 12,419,724.60 is: 18,629,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043,353.40 : 21,065,030.10 = 12,419,724.60 : x
  2. Step 2: Convert to fraction form
    14,043,353.40/21,065,030.10 = 12,419,724.60/x
  3. Step 3: Cross multiply
    14,043,353.40x = 21,065,030.10 × 12,419,724.60
  4. Step 4: Simplify right side
    14,043,353.40x = 261,621,872,532,710.47
  5. Step 5: Solve for x
    x = 261,621,872,532,710.47/14,043,353.40
  6. Step 6: Final answer
    x = 18,629,586.90

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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.