Home / 25,190,312.25-34,753,931.28-15,270,375.51

Finding the Fourth Proportional to 25,190,312.25, 34,753,931.28 and 15,270,375.51

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Solution

The fourth proportional to 25,190,312.25, 34,753,931.28 and 15,270,375.51 is: 21,067,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190,312.25 : 34,753,931.28 = 15,270,375.51 : x
  2. Step 2: Convert to fraction form
    25,190,312.25/34,753,931.28 = 15,270,375.51/x
  3. Step 3: Cross multiply
    25,190,312.25x = 34,753,931.28 × 15,270,375.51
  4. Step 4: Simplify right side
    25,190,312.25x = 530,705,581,094,334.94
  5. Step 5: Solve for x
    x = 530,705,581,094,334.94/25,190,312.25
  6. Step 6: Final answer
    x = 21,067,844.49

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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.