Home / 18,390,856.40-27,586,284.60-16,371,380.60

Finding the Fourth Proportional to 18,390,856.40, 27,586,284.60 and 16,371,380.60

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Solution

The fourth proportional to 18,390,856.40, 27,586,284.60 and 16,371,380.60 is: 24,557,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390,856.40 : 27,586,284.60 = 16,371,380.60 : x
  2. Step 2: Convert to fraction form
    18,390,856.40/27,586,284.60 = 16,371,380.60/x
  3. Step 3: Cross multiply
    18,390,856.40x = 27,586,284.60 × 16,371,380.60
  4. Step 4: Simplify right side
    18,390,856.40x = 451,625,564,526,518.75
  5. Step 5: Solve for x
    x = 451,625,564,526,518.75/18,390,856.40
  6. Step 6: Final answer
    x = 24,557,070.90

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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.