Home / 39,405,652.72-59,088,634.79-13,135,187.28

Finding the Fourth Proportional to 39,405,652.72, 59,088,634.79 and 13,135,187.28

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Solution

The fourth proportional to 39,405,652.72, 59,088,634.79 and 13,135,187.28 is: 19,696,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,405,652.72 : 59,088,634.79 = 13,135,187.28 : x
  2. Step 2: Convert to fraction form
    39,405,652.72/59,088,634.79 = 13,135,187.28/x
  3. Step 3: Cross multiply
    39,405,652.72x = 59,088,634.79 × 13,135,187.28
  4. Step 4: Simplify right side
    39,405,652.72x = 776,140,284,242,079.88
  5. Step 5: Solve for x
    x = 776,140,284,242,079.88/39,405,652.72
  6. Step 6: Final answer
    x = 19,696,166.18

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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.