Home / 13,237,320.90-19,857,125.88-3,652,699.86

Finding the Fourth Proportional to 13,237,320.90, 19,857,125.88 and 3,652,699.86

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Solution

The fourth proportional to 13,237,320.90, 19,857,125.88 and 3,652,699.86 is: 5,479,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237,320.90 : 19,857,125.88 = 3,652,699.86 : x
  2. Step 2: Convert to fraction form
    13,237,320.90/19,857,125.88 = 3,652,699.86/x
  3. Step 3: Cross multiply
    13,237,320.90x = 19,857,125.88 × 3,652,699.86
  4. Step 4: Simplify right side
    13,237,320.90x = 72,532,120,921,878.38
  5. Step 5: Solve for x
    x = 72,532,120,921,878.38/13,237,320.90
  6. Step 6: Final answer
    x = 5,479,365.61

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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.