Home / 18,888,697.80-28,291,056.30-14,615,008.20

Finding the Fourth Proportional to 18,888,697.80, 28,291,056.30 and 14,615,008.20

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Solution

The fourth proportional to 18,888,697.80, 28,291,056.30 and 14,615,008.20 is: 21,890,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,697.80 : 28,291,056.30 = 14,615,008.20 : x
  2. Step 2: Convert to fraction form
    18,888,697.80/28,291,056.30 = 14,615,008.20/x
  3. Step 3: Cross multiply
    18,888,697.80x = 28,291,056.30 × 14,615,008.20
  4. Step 4: Simplify right side
    18,888,697.80x = 413,474,019,811,161.62
  5. Step 5: Solve for x
    x = 413,474,019,811,161.62/18,888,697.80
  6. Step 6: Final answer
    x = 21,890,022.50

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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.