Home / 14,235,661-19,645,109.42-7,709,139.04

Finding the Fourth Proportional to 14,235,661, 19,645,109.42 and 7,709,139.04

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Solution

The fourth proportional to 14,235,661, 19,645,109.42 and 7,709,139.04 is: 10,638,556.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235,661 : 19,645,109.42 = 7,709,139.04 : x
  2. Step 2: Convert to fraction form
    14,235,661/19,645,109.42 = 7,709,139.04/x
  3. Step 3: Cross multiply
    14,235,661x = 19,645,109.42 × 7,709,139.04
  4. Step 4: Simplify right side
    14,235,661x = 151,446,879,974,793.78
  5. Step 5: Solve for x
    x = 151,446,879,974,793.78/14,235,661
  6. Step 6: Final answer
    x = 10,638,556.23

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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.