Home / 20,403,778.10-30,534,808.35-14,026,486.10

Finding the Fourth Proportional to 20,403,778.10, 30,534,808.35 and 14,026,486.10

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Solution

The fourth proportional to 20,403,778.10, 30,534,808.35 and 14,026,486.10 is: 20,991,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403,778.10 : 30,534,808.35 = 14,026,486.10 : x
  2. Step 2: Convert to fraction form
    20,403,778.10/30,534,808.35 = 14,026,486.10/x
  3. Step 3: Cross multiply
    20,403,778.10x = 30,534,808.35 × 14,026,486.10
  4. Step 4: Simplify right side
    20,403,778.10x = 428,296,064,887,438.94
  5. Step 5: Solve for x
    x = 428,296,064,887,438.94/20,403,778.10
  6. Step 6: Final answer
    x = 20,991,017.58

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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.