Home / 25,305,429.08-34,921,428.90-13,702,991.72

Finding the Fourth Proportional to 25,305,429.08, 34,921,428.90 and 13,702,991.72

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Solution

The fourth proportional to 25,305,429.08, 34,921,428.90 and 13,702,991.72 is: 18,910,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305,429.08 : 34,921,428.90 = 13,702,991.72 : x
  2. Step 2: Convert to fraction form
    25,305,429.08/34,921,428.90 = 13,702,991.72/x
  3. Step 3: Cross multiply
    25,305,429.08x = 34,921,428.90 × 13,702,991.72
  4. Step 4: Simplify right side
    25,305,429.08x = 478,528,051,067,268.69
  5. Step 5: Solve for x
    x = 478,528,051,067,268.69/25,305,429.08
  6. Step 6: Final answer
    x = 18,910,094.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.