Home / 19,164,814.40-28,747,221.60-13,762,049.60

Finding the Fourth Proportional to 19,164,814.40, 28,747,221.60 and 13,762,049.60

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Solution

The fourth proportional to 19,164,814.40, 28,747,221.60 and 13,762,049.60 is: 20,643,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164,814.40 : 28,747,221.60 = 13,762,049.60 : x
  2. Step 2: Convert to fraction form
    19,164,814.40/28,747,221.60 = 13,762,049.60/x
  3. Step 3: Cross multiply
    19,164,814.40x = 28,747,221.60 × 13,762,049.60
  4. Step 4: Simplify right side
    19,164,814.40x = 395,620,689,521,391.38
  5. Step 5: Solve for x
    x = 395,620,689,521,391.38/19,164,814.40
  6. Step 6: Final answer
    x = 20,643,074.40

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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.