Home / 17,909,143.60-26,863,605.96-5,129,671.60

Finding the Fourth Proportional to 17,909,143.60, 26,863,605.96 and 5,129,671.60

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Solution

The fourth proportional to 17,909,143.60, 26,863,605.96 and 5,129,671.60 is: 7,694,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909,143.60 : 26,863,605.96 = 5,129,671.60 : x
  2. Step 2: Convert to fraction form
    17,909,143.60/26,863,605.96 = 5,129,671.60/x
  3. Step 3: Cross multiply
    17,909,143.60x = 26,863,605.96 × 5,129,671.60
  4. Step 4: Simplify right side
    17,909,143.60x = 137,801,476,566,602.73
  5. Step 5: Solve for x
    x = 137,801,476,566,602.73/17,909,143.60
  6. Step 6: Final answer
    x = 7,694,476.05

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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.