Home / 25,305,427.08-34,921,426.14-13,702,989.72

Finding the Fourth Proportional to 25,305,427.08, 34,921,426.14 and 13,702,989.72

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Solution

The fourth proportional to 25,305,427.08, 34,921,426.14 and 13,702,989.72 is: 18,910,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305,427.08 : 34,921,426.14 = 13,702,989.72 : x
  2. Step 2: Convert to fraction form
    25,305,427.08/34,921,426.14 = 13,702,989.72/x
  3. Step 3: Cross multiply
    25,305,427.08x = 34,921,426.14 × 13,702,989.72
  4. Step 4: Simplify right side
    25,305,427.08x = 478,527,943,404,159.31
  5. Step 5: Solve for x
    x = 478,527,943,404,159.31/25,305,427.08
  6. Step 6: Final answer
    x = 18,910,091.57

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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.