Home / 25,686,755.72-35,452,872.64-15,238,571.46

Finding the Fourth Proportional to 25,686,755.72, 35,452,872.64 and 15,238,571.46

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Solution

The fourth proportional to 25,686,755.72, 35,452,872.64 and 15,238,571.46 is: 21,032,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686,755.72 : 35,452,872.64 = 15,238,571.46 : x
  2. Step 2: Convert to fraction form
    25,686,755.72/35,452,872.64 = 15,238,571.46/x
  3. Step 3: Cross multiply
    25,686,755.72x = 35,452,872.64 × 15,238,571.46
  4. Step 4: Simplify right side
    25,686,755.72x = 540,251,133,186,918.88
  5. Step 5: Solve for x
    x = 540,251,133,186,918.88/25,686,755.72
  6. Step 6: Final answer
    x = 21,032,283.68

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1.5x scale

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.