Home / 28,664,581.60-42,996,872.40-8,194,261.60

Finding the Fourth Proportional to 28,664,581.60, 42,996,872.40 and 8,194,261.60

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Solution

The fourth proportional to 28,664,581.60, 42,996,872.40 and 8,194,261.60 is: 12,291,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664,581.60 : 42,996,872.40 = 8,194,261.60 : x
  2. Step 2: Convert to fraction form
    28,664,581.60/42,996,872.40 = 8,194,261.60/x
  3. Step 3: Cross multiply
    28,664,581.60x = 42,996,872.40 × 8,194,261.60
  4. Step 4: Simplify right side
    28,664,581.60x = 352,327,620,427,419.81
  5. Step 5: Solve for x
    x = 352,327,620,427,419.81/28,664,581.60
  6. Step 6: Final answer
    x = 12,291,392.40

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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.