Home / 18,674,421.12-28,011,628.80-14,420,793.60

Finding the Fourth Proportional to 18,674,421.12, 28,011,628.80 and 14,420,793.60

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Solution

The fourth proportional to 18,674,421.12, 28,011,628.80 and 14,420,793.60 is: 21,631,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674,421.12 : 28,011,628.80 = 14,420,793.60 : x
  2. Step 2: Convert to fraction form
    18,674,421.12/28,011,628.80 = 14,420,793.60/x
  3. Step 3: Cross multiply
    18,674,421.12x = 28,011,628.80 × 14,420,793.60
  4. Step 4: Simplify right side
    18,674,421.12x = 403,949,917,324,615.69
  5. Step 5: Solve for x
    x = 403,949,917,324,615.69/18,674,421.12
  6. Step 6: Final answer
    x = 21,631,188.18

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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.