Home / 18,683,886.20-28,025,829.30-10,593,735.80

Finding the Fourth Proportional to 18,683,886.20, 28,025,829.30 and 10,593,735.80

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Solution

The fourth proportional to 18,683,886.20, 28,025,829.30 and 10,593,735.80 is: 15,890,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,886.20 : 28,025,829.30 = 10,593,735.80 : x
  2. Step 2: Convert to fraction form
    18,683,886.20/28,025,829.30 = 10,593,735.80/x
  3. Step 3: Cross multiply
    18,683,886.20x = 28,025,829.30 × 10,593,735.80
  4. Step 4: Simplify right side
    18,683,886.20x = 296,898,231,180,099
  5. Step 5: Solve for x
    x = 296,898,231,180,099/18,683,886.20
  6. Step 6: Final answer
    x = 15,890,603.70

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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.