Home / 19,008,103.60-28,456,168.20-17,900,801.20

Finding the Fourth Proportional to 19,008,103.60, 28,456,168.20 and 17,900,801.20

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Solution

The fourth proportional to 19,008,103.60, 28,456,168.20 and 17,900,801.20 is: 26,798,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,103.60 : 28,456,168.20 = 17,900,801.20 : x
  2. Step 2: Convert to fraction form
    19,008,103.60/28,456,168.20 = 17,900,801.20/x
  3. Step 3: Cross multiply
    19,008,103.60x = 28,456,168.20 × 17,900,801.20
  4. Step 4: Simplify right side
    19,008,103.60x = 509,388,209,861,961.81
  5. Step 5: Solve for x
    x = 509,388,209,861,961.81/19,008,103.60
  6. Step 6: Final answer
    x = 26,798,476.09

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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.