Home / 13,411,703.52-20,120,554.98-4,892,040.36

Finding the Fourth Proportional to 13,411,703.52, 20,120,554.98 and 4,892,040.36

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Solution

The fourth proportional to 13,411,703.52, 20,120,554.98 and 4,892,040.36 is: 7,339,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,703.52 : 20,120,554.98 = 4,892,040.36 : x
  2. Step 2: Convert to fraction form
    13,411,703.52/20,120,554.98 = 4,892,040.36/x
  3. Step 3: Cross multiply
    13,411,703.52x = 20,120,554.98 × 4,892,040.36
  4. Step 4: Simplify right side
    13,411,703.52x = 98,430,567,027,759
  5. Step 5: Solve for x
    x = 98,430,567,027,759/13,411,703.52
  6. Step 6: Final answer
    x = 7,339,154.71

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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.