Home / 12,877,618.40-19,318,760.40-6,471,749.60

Finding the Fourth Proportional to 12,877,618.40, 19,318,760.40 and 6,471,749.60

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Solution

The fourth proportional to 12,877,618.40, 19,318,760.40 and 6,471,749.60 is: 9,708,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,618.40 : 19,318,760.40 = 6,471,749.60 : x
  2. Step 2: Convert to fraction form
    12,877,618.40/19,318,760.40 = 6,471,749.60/x
  3. Step 3: Cross multiply
    12,877,618.40x = 19,318,760.40 × 6,471,749.60
  4. Step 4: Simplify right side
    12,877,618.40x = 125,026,179,891,195.83
  5. Step 5: Solve for x
    x = 125,026,179,891,195.83/12,877,618.40
  6. Step 6: Final answer
    x = 9,708,796.77

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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.