Home / 18,887,953.20-28,331,929.80-14,778,142.80

Finding the Fourth Proportional to 18,887,953.20, 28,331,929.80 and 14,778,142.80

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Solution

The fourth proportional to 18,887,953.20, 28,331,929.80 and 14,778,142.80 is: 22,167,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,953.20 : 28,331,929.80 = 14,778,142.80 : x
  2. Step 2: Convert to fraction form
    18,887,953.20/28,331,929.80 = 14,778,142.80/x
  3. Step 3: Cross multiply
    18,887,953.20x = 28,331,929.80 × 14,778,142.80
  4. Step 4: Simplify right side
    18,887,953.20x = 418,693,304,383,975.50
  5. Step 5: Solve for x
    x = 418,693,304,383,975.50/18,887,953.20
  6. Step 6: Final answer
    x = 22,167,214.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.