Home / 13,891,556.35-19,170,347.76-7,779,984.85

Finding the Fourth Proportional to 13,891,556.35, 19,170,347.76 and 7,779,984.85

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Solution

The fourth proportional to 13,891,556.35, 19,170,347.76 and 7,779,984.85 is: 10,736,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,556.35 : 19,170,347.76 = 7,779,984.85 : x
  2. Step 2: Convert to fraction form
    13,891,556.35/19,170,347.76 = 7,779,984.85/x
  3. Step 3: Cross multiply
    13,891,556.35x = 19,170,347.76 × 7,779,984.85
  4. Step 4: Simplify right side
    13,891,556.35x = 149,145,015,007,279.75
  5. Step 5: Solve for x
    x = 149,145,015,007,279.75/13,891,556.35
  6. Step 6: Final answer
    x = 10,736,379.09

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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.