Home / 20,883,548.60-31,325,322.90-19,466,372.60

Finding the Fourth Proportional to 20,883,548.60, 31,325,322.90 and 19,466,372.60

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Solution

The fourth proportional to 20,883,548.60, 31,325,322.90 and 19,466,372.60 is: 29,199,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,548.60 : 31,325,322.90 = 19,466,372.60 : x
  2. Step 2: Convert to fraction form
    20,883,548.60/31,325,322.90 = 19,466,372.60/x
  3. Step 3: Cross multiply
    20,883,548.60x = 31,325,322.90 × 19,466,372.60
  4. Step 4: Simplify right side
    20,883,548.60x = 609,790,407,386,712.50
  5. Step 5: Solve for x
    x = 609,790,407,386,712.50/20,883,548.60
  6. Step 6: Final answer
    x = 29,199,558.90

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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.