Home / 19,369,777.86-26,728,315.32-11,926,257.76

Finding the Fourth Proportional to 19,369,777.86, 26,728,315.32 and 11,926,257.76

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Solution

The fourth proportional to 19,369,777.86, 26,728,315.32 and 11,926,257.76 is: 16,457,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369,777.86 : 26,728,315.32 = 11,926,257.76 : x
  2. Step 2: Convert to fraction form
    19,369,777.86/26,728,315.32 = 11,926,257.76/x
  3. Step 3: Cross multiply
    19,369,777.86x = 26,728,315.32 × 11,926,257.76
  4. Step 4: Simplify right side
    19,369,777.86x = 318,768,777,996,876.88
  5. Step 5: Solve for x
    x = 318,768,777,996,876.88/19,369,777.86
  6. Step 6: Final answer
    x = 16,457,017.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.