Home / 18,391,017.84-25,380,391.92-10,242,255.84

Finding the Fourth Proportional to 18,391,017.84, 25,380,391.92 and 10,242,255.84

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Solution

The fourth proportional to 18,391,017.84, 25,380,391.92 and 10,242,255.84 is: 14,134,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391,017.84 : 25,380,391.92 = 10,242,255.84 : x
  2. Step 2: Convert to fraction form
    18,391,017.84/25,380,391.92 = 10,242,255.84/x
  3. Step 3: Cross multiply
    18,391,017.84x = 25,380,391.92 × 10,242,255.84
  4. Step 4: Simplify right side
    18,391,017.84x = 259,952,467,364,108.81
  5. Step 5: Solve for x
    x = 259,952,467,364,108.81/18,391,017.84
  6. Step 6: Final answer
    x = 14,134,751.52

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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.