Home / 39,052,422.66-53,892,342.11-21,648,723.78

Finding the Fourth Proportional to 39,052,422.66, 53,892,342.11 and 21,648,723.78

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Solution

The fourth proportional to 39,052,422.66, 53,892,342.11 and 21,648,723.78 is: 29,875,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,052,422.66 : 53,892,342.11 = 21,648,723.78 : x
  2. Step 2: Convert to fraction form
    39,052,422.66/53,892,342.11 = 21,648,723.78/x
  3. Step 3: Cross multiply
    39,052,422.66x = 53,892,342.11 × 21,648,723.78
  4. Step 4: Simplify right side
    39,052,422.66x = 1,166,700,428,196,652.50
  5. Step 5: Solve for x
    x = 1,166,700,428,196,652.50/39,052,422.66
  6. Step 6: Final answer
    x = 29,875,238.17

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Why These Related Problems?

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