Home / 43,985,427.20-66,009,633.60-18,444,766.40

Finding the Fourth Proportional to 43,985,427.20, 66,009,633.60 and 18,444,766.40

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Solution

The fourth proportional to 43,985,427.20, 66,009,633.60 and 18,444,766.40 is: 27,680,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,985,427.20 : 66,009,633.60 = 18,444,766.40 : x
  2. Step 2: Convert to fraction form
    43,985,427.20/66,009,633.60 = 18,444,766.40/x
  3. Step 3: Cross multiply
    43,985,427.20x = 66,009,633.60 × 18,444,766.40
  4. Step 4: Simplify right side
    43,985,427.20x = 1,217,532,271,901,591
  5. Step 5: Solve for x
    x = 1,217,532,271,901,591/43,985,427.20
  6. Step 6: Final answer
    x = 27,680,355.73

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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.