Home / 11,626,949.12-17,428,699.71-7,312,082.94

Finding the Fourth Proportional to 11,626,949.12, 17,428,699.71 and 7,312,082.94

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Solution

The fourth proportional to 11,626,949.12, 17,428,699.71 and 7,312,082.94 is: 10,960,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626,949.12 : 17,428,699.71 = 7,312,082.94 : x
  2. Step 2: Convert to fraction form
    11,626,949.12/17,428,699.71 = 7,312,082.94/x
  3. Step 3: Cross multiply
    11,626,949.12x = 17,428,699.71 × 7,312,082.94
  4. Step 4: Simplify right side
    11,626,949.12x = 127,440,097,815,873.97
  5. Step 5: Solve for x
    x = 127,440,097,815,873.97/11,626,949.12
  6. Step 6: Final answer
    x = 10,960,751.32

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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.