Home / 19,729,575.72-29,386,320.72-18,844,353

Finding the Fourth Proportional to 19,729,575.72, 29,386,320.72 and 18,844,353

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Solution

The fourth proportional to 19,729,575.72, 29,386,320.72 and 18,844,353 is: 28,067,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,575.72 : 29,386,320.72 = 18,844,353 : x
  2. Step 2: Convert to fraction form
    19,729,575.72/29,386,320.72 = 18,844,353/x
  3. Step 3: Cross multiply
    19,729,575.72x = 29,386,320.72 × 18,844,353
  4. Step 4: Simplify right side
    19,729,575.72x = 553,766,201,018,894.12
  5. Step 5: Solve for x
    x = 553,766,201,018,894.12/19,729,575.72
  6. Step 6: Final answer
    x = 28,067,821.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.