Home / 30,348,857.40-45,538,231.96-14,172,457.66

Finding the Fourth Proportional to 30,348,857.40, 45,538,231.96 and 14,172,457.66

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Solution

The fourth proportional to 30,348,857.40, 45,538,231.96 and 14,172,457.66 is: 21,265,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,857.40 : 45,538,231.96 = 14,172,457.66 : x
  2. Step 2: Convert to fraction form
    30,348,857.40/45,538,231.96 = 14,172,457.66/x
  3. Step 3: Cross multiply
    30,348,857.40x = 45,538,231.96 × 14,172,457.66
  4. Step 4: Simplify right side
    30,348,857.40x = 645,388,664,268,228.88
  5. Step 5: Solve for x
    x = 645,388,664,268,228.88/30,348,857.40
  6. Step 6: Final answer
    x = 21,265,665.98

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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.