Home / 13,470,060.60-20,205,090.90-3,885,751.80

Finding the Fourth Proportional to 13,470,060.60, 20,205,090.90 and 3,885,751.80

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Solution

The fourth proportional to 13,470,060.60, 20,205,090.90 and 3,885,751.80 is: 5,828,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470,060.60 : 20,205,090.90 = 3,885,751.80 : x
  2. Step 2: Convert to fraction form
    13,470,060.60/20,205,090.90 = 3,885,751.80/x
  3. Step 3: Cross multiply
    13,470,060.60x = 20,205,090.90 × 3,885,751.80
  4. Step 4: Simplify right side
    13,470,060.60x = 78,511,968,333,838.61
  5. Step 5: Solve for x
    x = 78,511,968,333,838.61/13,470,060.60
  6. Step 6: Final answer
    x = 5,828,627.70

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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.