Home / 13,713,913.69-20,574,296.88-9,678,279.04

Finding the Fourth Proportional to 13,713,913.69, 20,574,296.88 and 9,678,279.04

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Solution

The fourth proportional to 13,713,913.69, 20,574,296.88 and 9,678,279.04 is: 14,519,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713,913.69 : 20,574,296.88 = 9,678,279.04 : x
  2. Step 2: Convert to fraction form
    13,713,913.69/20,574,296.88 = 9,678,279.04/x
  3. Step 3: Cross multiply
    13,713,913.69x = 20,574,296.88 × 9,678,279.04
  4. Step 4: Simplify right side
    13,713,913.69x = 199,123,786,256,441.38
  5. Step 5: Solve for x
    x = 199,123,786,256,441.38/13,713,913.69
  6. Step 6: Final answer
    x = 14,519,836.62

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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.