Home / 30,579,238.08-45,836,971.20-12,395,985.48

Finding the Fourth Proportional to 30,579,238.08, 45,836,971.20 and 12,395,985.48

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Solution

The fourth proportional to 30,579,238.08, 45,836,971.20 and 12,395,985.48 is: 18,581,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,238.08 : 45,836,971.20 = 12,395,985.48 : x
  2. Step 2: Convert to fraction form
    30,579,238.08/45,836,971.20 = 12,395,985.48/x
  3. Step 3: Cross multiply
    30,579,238.08x = 45,836,971.20 × 12,395,985.48
  4. Step 4: Simplify right side
    30,579,238.08x = 568,194,429,442,378.25
  5. Step 5: Solve for x
    x = 568,194,429,442,378.25/30,579,238.08
  6. Step 6: Final answer
    x = 18,581,052.54

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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.