Home / 13,977,009.40-20,977,323.90-5,463,455.80

Finding the Fourth Proportional to 13,977,009.40, 20,977,323.90 and 5,463,455.80

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Solution

The fourth proportional to 13,977,009.40, 20,977,323.90 and 5,463,455.80 is: 8,199,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,009.40 : 20,977,323.90 = 5,463,455.80 : x
  2. Step 2: Convert to fraction form
    13,977,009.40/20,977,323.90 = 5,463,455.80/x
  3. Step 3: Cross multiply
    13,977,009.40x = 20,977,323.90 × 5,463,455.80
  4. Step 4: Simplify right side
    13,977,009.40x = 114,608,681,929,933.61
  5. Step 5: Solve for x
    x = 114,608,681,929,933.61/13,977,009.40
  6. Step 6: Final answer
    x = 8,199,800.02

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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.