Home / 20,799,086.45-28,709,953.49-14,294,248.61

Finding the Fourth Proportional to 20,799,086.45, 28,709,953.49 and 14,294,248.61

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Solution

The fourth proportional to 20,799,086.45, 28,709,953.49 and 14,294,248.61 is: 19,731,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799,086.45 : 28,709,953.49 = 14,294,248.61 : x
  2. Step 2: Convert to fraction form
    20,799,086.45/28,709,953.49 = 14,294,248.61/x
  3. Step 3: Cross multiply
    20,799,086.45x = 28,709,953.49 × 14,294,248.61
  4. Step 4: Simplify right side
    20,799,086.45x = 410,387,212,696,125.88
  5. Step 5: Solve for x
    x = 410,387,212,696,125.88/20,799,086.45
  6. Step 6: Final answer
    x = 19,731,021.06

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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.