Home / 21,038,905.60-31,595,683.20-16,258,220.80

Finding the Fourth Proportional to 21,038,905.60, 31,595,683.20 and 16,258,220.80

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Solution

The fourth proportional to 21,038,905.60, 31,595,683.20 and 16,258,220.80 is: 24,416,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038,905.60 : 31,595,683.20 = 16,258,220.80 : x
  2. Step 2: Convert to fraction form
    21,038,905.60/31,595,683.20 = 16,258,220.80/x
  3. Step 3: Cross multiply
    21,038,905.60x = 31,595,683.20 × 16,258,220.80
  4. Step 4: Simplify right side
    21,038,905.60x = 513,689,593,792,450.56
  5. Step 5: Solve for x
    x = 513,689,593,792,450.56/21,038,905.60
  6. Step 6: Final answer
    x = 24,416,174.66

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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.