Home / 12,878,104.40-19,319,489.40-6,472,235.60

Finding the Fourth Proportional to 12,878,104.40, 19,319,489.40 and 6,472,235.60

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Solution

The fourth proportional to 12,878,104.40, 19,319,489.40 and 6,472,235.60 is: 9,709,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878,104.40 : 19,319,489.40 = 6,472,235.60 : x
  2. Step 2: Convert to fraction form
    12,878,104.40/19,319,489.40 = 6,472,235.60/x
  3. Step 3: Cross multiply
    12,878,104.40x = 19,319,489.40 × 6,472,235.60
  4. Step 4: Simplify right side
    12,878,104.40x = 125,040,287,068,502.62
  5. Step 5: Solve for x
    x = 125,040,287,068,502.62/12,878,104.40
  6. Step 6: Final answer
    x = 9,709,525.81

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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.