Home / 14,503,714.88-20,015,505.20-7,977,515.51

Finding the Fourth Proportional to 14,503,714.88, 20,015,505.20 and 7,977,515.51

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Solution

The fourth proportional to 14,503,714.88, 20,015,505.20 and 7,977,515.51 is: 11,009,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503,714.88 : 20,015,505.20 = 7,977,515.51 : x
  2. Step 2: Convert to fraction form
    14,503,714.88/20,015,505.20 = 7,977,515.51/x
  3. Step 3: Cross multiply
    14,503,714.88x = 20,015,505.20 × 7,977,515.51
  4. Step 4: Simplify right side
    14,503,714.88x = 159,674,003,243,468.22
  5. Step 5: Solve for x
    x = 159,674,003,243,468.22/14,503,714.88
  6. Step 6: Final answer
    x = 11,009,179.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.