Home / 15,561,699.84-21,478,728.96-9,125,245.44

Finding the Fourth Proportional to 15,561,699.84, 21,478,728.96 and 9,125,245.44

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Solution

The fourth proportional to 15,561,699.84, 21,478,728.96 and 9,125,245.44 is: 12,594,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561,699.84 : 21,478,728.96 = 9,125,245.44 : x
  2. Step 2: Convert to fraction form
    15,561,699.84/21,478,728.96 = 9,125,245.44/x
  3. Step 3: Cross multiply
    15,561,699.84x = 21,478,728.96 × 9,125,245.44
  4. Step 4: Simplify right side
    15,561,699.84x = 195,998,673,499,235.94
  5. Step 5: Solve for x
    x = 195,998,673,499,235.94/15,561,699.84
  6. Step 6: Final answer
    x = 12,594,939.85

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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.