Home / 39,809,660.80-59,714,491.20-12,902,627.20

Finding the Fourth Proportional to 39,809,660.80, 59,714,491.20 and 12,902,627.20

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Solution

The fourth proportional to 39,809,660.80, 59,714,491.20 and 12,902,627.20 is: 19,353,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809,660.80 : 59,714,491.20 = 12,902,627.20 : x
  2. Step 2: Convert to fraction form
    39,809,660.80/59,714,491.20 = 12,902,627.20/x
  3. Step 3: Cross multiply
    39,809,660.80x = 59,714,491.20 × 12,902,627.20
  4. Step 4: Simplify right side
    39,809,660.80x = 770,473,818,391,280.62
  5. Step 5: Solve for x
    x = 770,473,818,391,280.62/39,809,660.80
  6. Step 6: Final answer
    x = 19,353,940.80

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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.