Home / 14,526,048.20-21,789,072.30-13,431,187.40

Finding the Fourth Proportional to 14,526,048.20, 21,789,072.30 and 13,431,187.40

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Solution

The fourth proportional to 14,526,048.20, 21,789,072.30 and 13,431,187.40 is: 20,146,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526,048.20 : 21,789,072.30 = 13,431,187.40 : x
  2. Step 2: Convert to fraction form
    14,526,048.20/21,789,072.30 = 13,431,187.40/x
  3. Step 3: Cross multiply
    14,526,048.20x = 21,789,072.30 × 13,431,187.40
  4. Step 4: Simplify right side
    14,526,048.20x = 292,653,113,333,449.06
  5. Step 5: Solve for x
    x = 292,653,113,333,449.06/14,526,048.20
  6. Step 6: Final answer
    x = 20,146,781.10

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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.