Home / 43,071,999-64,620,507.96-13,925,215.68

Finding the Fourth Proportional to 43,071,999, 64,620,507.96 and 13,925,215.68

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Solution

The fourth proportional to 43,071,999, 64,620,507.96 and 13,925,215.68 is: 20,891,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,071,999 : 64,620,507.96 = 13,925,215.68 : x
  2. Step 2: Convert to fraction form
    43,071,999/64,620,507.96 = 13,925,215.68/x
  3. Step 3: Cross multiply
    43,071,999x = 64,620,507.96 × 13,925,215.68
  4. Step 4: Simplify right side
    43,071,999x = 899,854,510,694,156.75
  5. Step 5: Solve for x
    x = 899,854,510,694,156.75/43,071,999
  6. Step 6: Final answer
    x = 20,891,867.84

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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.