Home / 18,213,189.60-27,316,285.20-5,434,111.20

Finding the Fourth Proportional to 18,213,189.60, 27,316,285.20 and 5,434,111.20

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Solution

The fourth proportional to 18,213,189.60, 27,316,285.20 and 5,434,111.20 is: 8,150,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,189.60 : 27,316,285.20 = 5,434,111.20 : x
  2. Step 2: Convert to fraction form
    18,213,189.60/27,316,285.20 = 5,434,111.20/x
  3. Step 3: Cross multiply
    18,213,189.60x = 27,316,285.20 × 5,434,111.20
  4. Step 4: Simplify right side
    18,213,189.60x = 148,439,731,347,714.25
  5. Step 5: Solve for x
    x = 148,439,731,347,714.25/18,213,189.60
  6. Step 6: Final answer
    x = 8,150,122.77

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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.