Home / 7,853,021.10-11,779,640.45-5,174,493.10

Finding the Fourth Proportional to 7,853,021.10, 11,779,640.45 and 5,174,493.10

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Solution

The fourth proportional to 7,853,021.10, 11,779,640.45 and 5,174,493.10 is: 7,761,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853,021.10 : 11,779,640.45 = 5,174,493.10 : x
  2. Step 2: Convert to fraction form
    7,853,021.10/11,779,640.45 = 5,174,493.10/x
  3. Step 3: Cross multiply
    7,853,021.10x = 11,779,640.45 × 5,174,493.10
  4. Step 4: Simplify right side
    7,853,021.10x = 60,953,668,229,005.89
  5. Step 5: Solve for x
    x = 60,953,668,229,005.89/7,853,021.10
  6. Step 6: Final answer
    x = 7,761,811.34

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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.