Home / 19,369,775.86-26,728,312.56-11,926,255.75

Finding the Fourth Proportional to 19,369,775.86, 26,728,312.56 and 11,926,255.75

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Solution

The fourth proportional to 19,369,775.86, 26,728,312.56 and 11,926,255.75 is: 16,457,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369,775.86 : 26,728,312.56 = 11,926,255.75 : x
  2. Step 2: Convert to fraction form
    19,369,775.86/26,728,312.56 = 11,926,255.75/x
  3. Step 3: Cross multiply
    19,369,775.86x = 26,728,312.56 × 11,926,255.75
  4. Step 4: Simplify right side
    19,369,775.86x = 318,768,691,356,497.19
  5. Step 5: Solve for x
    x = 318,768,691,356,497.19/19,369,775.86
  6. Step 6: Final answer
    x = 16,457,014.97

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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.