Home / 12,744,431.20-19,116,646.80-11,468,972.80

Finding the Fourth Proportional to 12,744,431.20, 19,116,646.80 and 11,468,972.80

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Solution

The fourth proportional to 12,744,431.20, 19,116,646.80 and 11,468,972.80 is: 17,203,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744,431.20 : 19,116,646.80 = 11,468,972.80 : x
  2. Step 2: Convert to fraction form
    12,744,431.20/19,116,646.80 = 11,468,972.80/x
  3. Step 3: Cross multiply
    12,744,431.20x = 19,116,646.80 × 11,468,972.80
  4. Step 4: Simplify right side
    12,744,431.20x = 219,248,302,176,407.06
  5. Step 5: Solve for x
    x = 219,248,302,176,407.06/12,744,431.20
  6. Step 6: Final answer
    x = 17,203,459.20

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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.