Home / 19,369,755.86-26,728,284.96-11,926,235.75

Finding the Fourth Proportional to 19,369,755.86, 26,728,284.96 and 11,926,235.75

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Solution

The fourth proportional to 19,369,755.86, 26,728,284.96 and 11,926,235.75 is: 16,456,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369,755.86 : 26,728,284.96 = 11,926,235.75 : x
  2. Step 2: Convert to fraction form
    19,369,755.86/26,728,284.96 = 11,926,235.75/x
  3. Step 3: Cross multiply
    19,369,755.86x = 26,728,284.96 × 11,926,235.75
  4. Step 4: Simplify right side
    19,369,755.86x = 318,767,827,492,497.88
  5. Step 5: Solve for x
    x = 318,767,827,492,497.88/19,369,755.86
  6. Step 6: Final answer
    x = 16,456,987.37

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1.5x scale

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.