Home / 14,208,090.30-21,312,135.45-13,200,320.70

Finding the Fourth Proportional to 14,208,090.30, 21,312,135.45 and 13,200,320.70

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Solution

The fourth proportional to 14,208,090.30, 21,312,135.45 and 13,200,320.70 is: 19,800,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208,090.30 : 21,312,135.45 = 13,200,320.70 : x
  2. Step 2: Convert to fraction form
    14,208,090.30/21,312,135.45 = 13,200,320.70/x
  3. Step 3: Cross multiply
    14,208,090.30x = 21,312,135.45 × 13,200,320.70
  4. Step 4: Simplify right side
    14,208,090.30x = 281,327,022,741,838.78
  5. Step 5: Solve for x
    x = 281,327,022,741,838.78/14,208,090.30
  6. Step 6: Final answer
    x = 19,800,481.05

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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.