Home / 18,457,294.48-27,691,856.40-12,923,594.32

Finding the Fourth Proportional to 18,457,294.48, 27,691,856.40 and 12,923,594.32

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Solution

The fourth proportional to 18,457,294.48, 27,691,856.40 and 12,923,594.32 is: 19,389,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457,294.48 : 27,691,856.40 = 12,923,594.32 : x
  2. Step 2: Convert to fraction form
    18,457,294.48/27,691,856.40 = 12,923,594.32/x
  3. Step 3: Cross multiply
    18,457,294.48x = 27,691,856.40 × 12,923,594.32
  4. Step 4: Simplify right side
    18,457,294.48x = 357,878,318,081,295.62
  5. Step 5: Solve for x
    x = 357,878,318,081,295.62/18,457,294.48
  6. Step 6: Final answer
    x = 19,389,532.87

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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.