Home / 43,776,043.20-65,664,064.80-13,479,969.60

Finding the Fourth Proportional to 43,776,043.20, 65,664,064.80 and 13,479,969.60

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Solution

The fourth proportional to 43,776,043.20, 65,664,064.80 and 13,479,969.60 is: 20,219,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776,043.20 : 65,664,064.80 = 13,479,969.60 : x
  2. Step 2: Convert to fraction form
    43,776,043.20/65,664,064.80 = 13,479,969.60/x
  3. Step 3: Cross multiply
    43,776,043.20x = 65,664,064.80 × 13,479,969.60
  4. Step 4: Simplify right side
    43,776,043.20x = 885,149,597,316,430
  5. Step 5: Solve for x
    x = 885,149,597,316,430/43,776,043.20
  6. Step 6: Final answer
    x = 20,219,954.40

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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.