Home / 40,131,965.40-60,194,448.90-13,205,621.40

Finding the Fourth Proportional to 40,131,965.40, 60,194,448.90 and 13,205,621.40

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Solution

The fourth proportional to 40,131,965.40, 60,194,448.90 and 13,205,621.40 is: 19,807,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131,965.40 : 60,194,448.90 = 13,205,621.40 : x
  2. Step 2: Convert to fraction form
    40,131,965.40/60,194,448.90 = 13,205,621.40/x
  3. Step 3: Cross multiply
    40,131,965.40x = 60,194,448.90 × 13,205,621.40
  4. Step 4: Simplify right side
    40,131,965.40x = 794,905,102,555,046.50
  5. Step 5: Solve for x
    x = 794,905,102,555,046.50/40,131,965.40
  6. Step 6: Final answer
    x = 19,807,280.67

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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.