Home / 30,441,603.40-45,662,405.10-12,481,462.60

Finding the Fourth Proportional to 30,441,603.40, 45,662,405.10 and 12,481,462.60

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Solution

The fourth proportional to 30,441,603.40, 45,662,405.10 and 12,481,462.60 is: 18,722,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,441,603.40 : 45,662,405.10 = 12,481,462.60 : x
  2. Step 2: Convert to fraction form
    30,441,603.40/45,662,405.10 = 12,481,462.60/x
  3. Step 3: Cross multiply
    30,441,603.40x = 45,662,405.10 × 12,481,462.60
  4. Step 4: Simplify right side
    30,441,603.40x = 569,933,601,481,699.25
  5. Step 5: Solve for x
    x = 569,933,601,481,699.25/30,441,603.40
  6. Step 6: Final answer
    x = 18,722,193.90

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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.