Home / 19,946,895.20-29,845,693.20-13,228,431.20

Finding the Fourth Proportional to 19,946,895.20, 29,845,693.20 and 13,228,431.20

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Solution

The fourth proportional to 19,946,895.20, 29,845,693.20 and 13,228,431.20 is: 19,793,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946,895.20 : 29,845,693.20 = 13,228,431.20 : x
  2. Step 2: Convert to fraction form
    19,946,895.20/29,845,693.20 = 13,228,431.20/x
  3. Step 3: Cross multiply
    19,946,895.20x = 29,845,693.20 × 13,228,431.20
  4. Step 4: Simplify right side
    19,946,895.20x = 394,811,699,112,507.81
  5. Step 5: Solve for x
    x = 394,811,699,112,507.81/19,946,895.20
  6. Step 6: Final answer
    x = 19,793,140.49

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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.