Home / 21,435,135.20-32,190,027.60-11,357,439.20

Finding the Fourth Proportional to 21,435,135.20, 32,190,027.60 and 11,357,439.20

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Solution

The fourth proportional to 21,435,135.20, 32,190,027.60 and 11,357,439.20 is: 17,055,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435,135.20 : 32,190,027.60 = 11,357,439.20 : x
  2. Step 2: Convert to fraction form
    21,435,135.20/32,190,027.60 = 11,357,439.20/x
  3. Step 3: Cross multiply
    21,435,135.20x = 32,190,027.60 × 11,357,439.20
  4. Step 4: Simplify right side
    21,435,135.20x = 365,596,281,313,321.94
  5. Step 5: Solve for x
    x = 365,596,281,313,321.94/21,435,135.20
  6. Step 6: Final answer
    x = 17,055,935.40

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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.