Home / 14,104,808.20-21,157,212.30-13,254,502.60

Finding the Fourth Proportional to 14,104,808.20, 21,157,212.30 and 13,254,502.60

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Solution

The fourth proportional to 14,104,808.20, 21,157,212.30 and 13,254,502.60 is: 19,881,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104,808.20 : 21,157,212.30 = 13,254,502.60 : x
  2. Step 2: Convert to fraction form
    14,104,808.20/21,157,212.30 = 13,254,502.60/x
  3. Step 3: Cross multiply
    14,104,808.20x = 21,157,212.30 × 13,254,502.60
  4. Step 4: Simplify right side
    14,104,808.20x = 280,428,325,439,101.97
  5. Step 5: Solve for x
    x = 280,428,325,439,101.97/14,104,808.20
  6. Step 6: Final answer
    x = 19,881,753.90

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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.