Home / 40,004,487.68-55,206,457.92-21,669,773.12

Finding the Fourth Proportional to 40,004,487.68, 55,206,457.92 and 21,669,773.12

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Solution

The fourth proportional to 40,004,487.68, 55,206,457.92 and 21,669,773.12 is: 29,904,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,004,487.68 : 55,206,457.92 = 21,669,773.12 : x
  2. Step 2: Convert to fraction form
    40,004,487.68/55,206,457.92 = 21,669,773.12/x
  3. Step 3: Cross multiply
    40,004,487.68x = 55,206,457.92 × 21,669,773.12
  4. Step 4: Simplify right side
    40,004,487.68x = 1,196,311,417,885,227.25
  5. Step 5: Solve for x
    x = 1,196,311,417,885,227.25/40,004,487.68
  6. Step 6: Final answer
    x = 29,904,430.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.