Home / 18,783,086.20-28,174,629.30-6,811,502.20

Finding the Fourth Proportional to 18,783,086.20, 28,174,629.30 and 6,811,502.20

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Solution

The fourth proportional to 18,783,086.20, 28,174,629.30 and 6,811,502.20 is: 10,217,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783,086.20 : 28,174,629.30 = 6,811,502.20 : x
  2. Step 2: Convert to fraction form
    18,783,086.20/28,174,629.30 = 6,811,502.20/x
  3. Step 3: Cross multiply
    18,783,086.20x = 28,174,629.30 × 6,811,502.20
  4. Step 4: Simplify right side
    18,783,086.20x = 191,911,549,461,134.47
  5. Step 5: Solve for x
    x = 191,911,549,461,134.47/18,783,086.20
  6. Step 6: Final answer
    x = 10,217,253.30

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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.