Home / 18,617,008.60-27,925,512.90-4,970,128.60

Finding the Fourth Proportional to 18,617,008.60, 27,925,512.90 and 4,970,128.60

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Solution

The fourth proportional to 18,617,008.60, 27,925,512.90 and 4,970,128.60 is: 7,455,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617,008.60 : 27,925,512.90 = 4,970,128.60 : x
  2. Step 2: Convert to fraction form
    18,617,008.60/27,925,512.90 = 4,970,128.60/x
  3. Step 3: Cross multiply
    18,617,008.60x = 27,925,512.90 × 4,970,128.60
  4. Step 4: Simplify right side
    18,617,008.60x = 138,793,390,333,958.92
  5. Step 5: Solve for x
    x = 138,793,390,333,958.92/18,617,008.60
  6. Step 6: Final answer
    x = 7,455,192.90

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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.