Home / 43,462,890.80-65,194,336.20-13,172,260.40

Finding the Fourth Proportional to 43,462,890.80, 65,194,336.20 and 13,172,260.40

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Solution

The fourth proportional to 43,462,890.80, 65,194,336.20 and 13,172,260.40 is: 19,758,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,462,890.80 : 65,194,336.20 = 13,172,260.40 : x
  2. Step 2: Convert to fraction form
    43,462,890.80/65,194,336.20 = 13,172,260.40/x
  3. Step 3: Cross multiply
    43,462,890.80x = 65,194,336.20 × 13,172,260.40
  4. Step 4: Simplify right side
    43,462,890.80x = 858,756,773,031,546.50
  5. Step 5: Solve for x
    x = 858,756,773,031,546.50/43,462,890.80
  6. Step 6: Final answer
    x = 19,758,390.60

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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.