Home / 48,361,738.80-72,542,608.20-12,459,946.80

Finding the Fourth Proportional to 48,361,738.80, 72,542,608.20 and 12,459,946.80

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Solution

The fourth proportional to 48,361,738.80, 72,542,608.20 and 12,459,946.80 is: 18,689,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,361,738.80 : 72,542,608.20 = 12,459,946.80 : x
  2. Step 2: Convert to fraction form
    48,361,738.80/72,542,608.20 = 12,459,946.80/x
  3. Step 3: Cross multiply
    48,361,738.80x = 72,542,608.20 × 12,459,946.80
  4. Step 4: Simplify right side
    48,361,738.80x = 903,877,038,905,243.88
  5. Step 5: Solve for x
    x = 903,877,038,905,243.88/48,361,738.80
  6. Step 6: Final answer
    x = 18,689,920.20

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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.