Home / 28,976,143.11-39,970,427.72-18,092,231.43

Finding the Fourth Proportional to 28,976,143.11, 39,970,427.72 and 18,092,231.43

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Solution

The fourth proportional to 28,976,143.11, 39,970,427.72 and 18,092,231.43 is: 24,956,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976,143.11 : 39,970,427.72 = 18,092,231.43 : x
  2. Step 2: Convert to fraction form
    28,976,143.11/39,970,427.72 = 18,092,231.43/x
  3. Step 3: Cross multiply
    28,976,143.11x = 39,970,427.72 × 18,092,231.43
  4. Step 4: Simplify right side
    28,976,143.11x = 723,154,228,575,866.12
  5. Step 5: Solve for x
    x = 723,154,228,575,866.12/28,976,143.11
  6. Step 6: Final answer
    x = 24,956,883.52

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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.