Home / 16,857,126.88-23,262,657.84-9,121,999.84

Finding the Fourth Proportional to 16,857,126.88, 23,262,657.84 and 9,121,999.84

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Solution

The fourth proportional to 16,857,126.88, 23,262,657.84 and 9,121,999.84 is: 12,588,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857,126.88 : 23,262,657.84 = 9,121,999.84 : x
  2. Step 2: Convert to fraction form
    16,857,126.88/23,262,657.84 = 9,121,999.84/x
  3. Step 3: Cross multiply
    16,857,126.88x = 23,262,657.84 × 9,121,999.84
  4. Step 4: Simplify right side
    16,857,126.88x = 212,201,961,094,454.75
  5. Step 5: Solve for x
    x = 212,201,961,094,454.75/16,857,126.88
  6. Step 6: Final answer
    x = 12,588,263.86

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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.