Home / 18,169,026.28-27,259,444.26-12,128,313.58

Finding the Fourth Proportional to 18,169,026.28, 27,259,444.26 and 12,128,313.58

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Solution

The fourth proportional to 18,169,026.28, 27,259,444.26 and 12,128,313.58 is: 18,196,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169,026.28 : 27,259,444.26 = 12,128,313.58 : x
  2. Step 2: Convert to fraction form
    18,169,026.28/27,259,444.26 = 12,128,313.58/x
  3. Step 3: Cross multiply
    18,169,026.28x = 27,259,444.26 × 12,128,313.58
  4. Step 4: Simplify right side
    18,169,026.28x = 330,611,088,001,811.06
  5. Step 5: Solve for x
    x = 330,611,088,001,811.06/18,169,026.28
  6. Step 6: Final answer
    x = 18,196,412.01

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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.