Home / 21,329,460.60-31,994,190.90-13,676,710.20

Finding the Fourth Proportional to 21,329,460.60, 31,994,190.90 and 13,676,710.20

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Solution

The fourth proportional to 21,329,460.60, 31,994,190.90 and 13,676,710.20 is: 20,515,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,329,460.60 : 31,994,190.90 = 13,676,710.20 : x
  2. Step 2: Convert to fraction form
    21,329,460.60/31,994,190.90 = 13,676,710.20/x
  3. Step 3: Cross multiply
    21,329,460.60x = 31,994,190.90 × 13,676,710.20
  4. Step 4: Simplify right side
    21,329,460.60x = 437,575,277,022,777.12
  5. Step 5: Solve for x
    x = 437,575,277,022,777.12/21,329,460.60
  6. Step 6: Final answer
    x = 20,515,065.30

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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.