Home / 14,015,114.40-21,022,671.60-13,731,679.20

Finding the Fourth Proportional to 14,015,114.40, 21,022,671.60 and 13,731,679.20

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Solution

The fourth proportional to 14,015,114.40, 21,022,671.60 and 13,731,679.20 is: 20,597,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015,114.40 : 21,022,671.60 = 13,731,679.20 : x
  2. Step 2: Convert to fraction form
    14,015,114.40/21,022,671.60 = 13,731,679.20/x
  3. Step 3: Cross multiply
    14,015,114.40x = 21,022,671.60 × 13,731,679.20
  4. Step 4: Simplify right side
    14,015,114.40x = 288,676,582,338,150.75
  5. Step 5: Solve for x
    x = 288,676,582,338,150.75/14,015,114.40
  6. Step 6: Final answer
    x = 20,597,518.80

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1.5x scale

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.