Home / 28,039,524.64-38,715,050.08-18,122,278.50

Finding the Fourth Proportional to 28,039,524.64, 38,715,050.08 and 18,122,278.50

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Solution

The fourth proportional to 28,039,524.64, 38,715,050.08 and 18,122,278.50 is: 25,021,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039,524.64 : 38,715,050.08 = 18,122,278.50 : x
  2. Step 2: Convert to fraction form
    28,039,524.64/38,715,050.08 = 18,122,278.50/x
  3. Step 3: Cross multiply
    28,039,524.64x = 38,715,050.08 × 18,122,278.50
  4. Step 4: Simplify right side
    28,039,524.64x = 701,604,919,713,860.12
  5. Step 5: Solve for x
    x = 701,604,919,713,860.12/28,039,524.64
  6. Step 6: Final answer
    x = 25,021,997.65

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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.