Home / 25,372,145-35,013,578.10-13,769,705.72

Finding the Fourth Proportional to 25,372,145, 35,013,578.10 and 13,769,705.72

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Solution

The fourth proportional to 25,372,145, 35,013,578.10 and 13,769,705.72 is: 19,002,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,372,145 : 35,013,578.10 = 13,769,705.72 : x
  2. Step 2: Convert to fraction form
    25,372,145/35,013,578.10 = 13,769,705.72/x
  3. Step 3: Cross multiply
    25,372,145x = 35,013,578.10 × 13,769,705.72
  4. Step 4: Simplify right side
    25,372,145x = 482,126,666,641,236.75
  5. Step 5: Solve for x
    x = 482,126,666,641,236.75/25,372,145
  6. Step 6: Final answer
    x = 19,002,203.66

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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.