Home / 12,923,775.69-17,837,849.57-8,032,691.63

Finding the Fourth Proportional to 12,923,775.69, 17,837,849.57 and 8,032,691.63

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Solution

The fourth proportional to 12,923,775.69, 17,837,849.57 and 8,032,691.63 is: 11,087,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,775.69 : 17,837,849.57 = 8,032,691.63 : x
  2. Step 2: Convert to fraction form
    12,923,775.69/17,837,849.57 = 8,032,691.63/x
  3. Step 3: Cross multiply
    12,923,775.69x = 17,837,849.57 × 8,032,691.63
  4. Step 4: Simplify right side
    12,923,775.69x = 143,285,944,942,569.28
  5. Step 5: Solve for x
    x = 143,285,944,942,569.28/12,923,775.69
  6. Step 6: Final answer
    x = 11,087,003.40

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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.