Home / 30,235,712.76-45,326,712.60-11,787,405.48

Finding the Fourth Proportional to 30,235,712.76, 45,326,712.60 and 11,787,405.48

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Solution

The fourth proportional to 30,235,712.76, 45,326,712.60 and 11,787,405.48 is: 17,670,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235,712.76 : 45,326,712.60 = 11,787,405.48 : x
  2. Step 2: Convert to fraction form
    30,235,712.76/45,326,712.60 = 11,787,405.48/x
  3. Step 3: Cross multiply
    30,235,712.76x = 45,326,712.60 × 11,787,405.48
  4. Step 4: Simplify right side
    30,235,712.76x = 534,284,340,491,625.06
  5. Step 5: Solve for x
    x = 534,284,340,491,625.06/30,235,712.76
  6. Step 6: Final answer
    x = 17,670,638.19

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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.