Home / 14,111,947.40-21,167,921.10-12,096,408.20

Finding the Fourth Proportional to 14,111,947.40, 21,167,921.10 and 12,096,408.20

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Solution

The fourth proportional to 14,111,947.40, 21,167,921.10 and 12,096,408.20 is: 18,144,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111,947.40 : 21,167,921.10 = 12,096,408.20 : x
  2. Step 2: Convert to fraction form
    14,111,947.40/21,167,921.10 = 12,096,408.20/x
  3. Step 3: Cross multiply
    14,111,947.40x = 21,167,921.10 × 12,096,408.20
  4. Step 4: Simplify right side
    14,111,947.40x = 256,055,814,370,993.03
  5. Step 5: Solve for x
    x = 256,055,814,370,993.03/14,111,947.40
  6. Step 6: Final answer
    x = 18,144,612.30

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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.