Home / 21,184,100.40-29,233,197.74-12,016,546.32

Finding the Fourth Proportional to 21,184,100.40, 29,233,197.74 and 12,016,546.32

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Solution

The fourth proportional to 21,184,100.40, 29,233,197.74 and 12,016,546.32 is: 16,582,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184,100.40 : 29,233,197.74 = 12,016,546.32 : x
  2. Step 2: Convert to fraction form
    21,184,100.40/29,233,197.74 = 12,016,546.32/x
  3. Step 3: Cross multiply
    21,184,100.40x = 29,233,197.74 × 12,016,546.32
  4. Step 4: Simplify right side
    21,184,100.40x = 351,282,074,724,429.31
  5. Step 5: Solve for x
    x = 351,282,074,724,429.31/21,184,100.40
  6. Step 6: Final answer
    x = 16,582,345.63

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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.