Home / 19,187,432.40-28,743,823.80-11,591,835.60

Finding the Fourth Proportional to 19,187,432.40, 28,743,823.80 and 11,591,835.60

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Solution

The fourth proportional to 19,187,432.40, 28,743,823.80 and 11,591,835.60 is: 17,365,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,432.40 : 28,743,823.80 = 11,591,835.60 : x
  2. Step 2: Convert to fraction form
    19,187,432.40/28,743,823.80 = 11,591,835.60/x
  3. Step 3: Cross multiply
    19,187,432.40x = 28,743,823.80 × 11,591,835.60
  4. Step 4: Simplify right side
    19,187,432.40x = 333,193,680,004,967.25
  5. Step 5: Solve for x
    x = 333,193,680,004,967.25/19,187,432.40
  6. Step 6: Final answer
    x = 17,365,204.11

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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.