Home / 19,490,066.28-26,890,108.26-11,339,729.64

Finding the Fourth Proportional to 19,490,066.28, 26,890,108.26 and 11,339,729.64

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Solution

The fourth proportional to 19,490,066.28, 26,890,108.26 and 11,339,729.64 is: 15,645,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490,066.28 : 26,890,108.26 = 11,339,729.64 : x
  2. Step 2: Convert to fraction form
    19,490,066.28/26,890,108.26 = 11,339,729.64/x
  3. Step 3: Cross multiply
    19,490,066.28x = 26,890,108.26 × 11,339,729.64
  4. Step 4: Simplify right side
    19,490,066.28x = 304,926,557,658,730.88
  5. Step 5: Solve for x
    x = 304,926,557,658,730.88/19,490,066.28
  6. Step 6: Final answer
    x = 15,645,229.38

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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.