Home / 21,575,278.60-32,362,917.90-19,410,440.20

Finding the Fourth Proportional to 21,575,278.60, 32,362,917.90 and 19,410,440.20

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Solution

The fourth proportional to 21,575,278.60, 32,362,917.90 and 19,410,440.20 is: 29,115,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,278.60 : 32,362,917.90 = 19,410,440.20 : x
  2. Step 2: Convert to fraction form
    21,575,278.60/32,362,917.90 = 19,410,440.20/x
  3. Step 3: Cross multiply
    21,575,278.60x = 32,362,917.90 × 19,410,440.20
  4. Step 4: Simplify right side
    21,575,278.60x = 628,178,482,595,459.50
  5. Step 5: Solve for x
    x = 628,178,482,595,459.50/21,575,278.60
  6. Step 6: Final answer
    x = 29,115,660.30

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Double scale
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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.