Home / 19,008,093.60-28,512,140.40-9,419,767.20

Finding the Fourth Proportional to 19,008,093.60, 28,512,140.40 and 9,419,767.20

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Solution

The fourth proportional to 19,008,093.60, 28,512,140.40 and 9,419,767.20 is: 14,129,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,093.60 : 28,512,140.40 = 9,419,767.20 : x
  2. Step 2: Convert to fraction form
    19,008,093.60/28,512,140.40 = 9,419,767.20/x
  3. Step 3: Cross multiply
    19,008,093.60x = 28,512,140.40 × 9,419,767.20
  4. Step 4: Simplify right side
    19,008,093.60x = 268,577,724,941,714.84
  5. Step 5: Solve for x
    x = 268,577,724,941,714.84/19,008,093.60
  6. Step 6: Final answer
    x = 14,129,650.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.