Home / 28,647,523.20-42,971,284.80-9,736,291.20

Finding the Fourth Proportional to 28,647,523.20, 42,971,284.80 and 9,736,291.20

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Solution

The fourth proportional to 28,647,523.20, 42,971,284.80 and 9,736,291.20 is: 14,604,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647,523.20 : 42,971,284.80 = 9,736,291.20 : x
  2. Step 2: Convert to fraction form
    28,647,523.20/42,971,284.80 = 9,736,291.20/x
  3. Step 3: Cross multiply
    28,647,523.20x = 42,971,284.80 × 9,736,291.20
  4. Step 4: Simplify right side
    28,647,523.20x = 418,380,942,050,933.69
  5. Step 5: Solve for x
    x = 418,380,942,050,933.69/28,647,523.20
  6. Step 6: Final answer
    x = 14,604,436.80

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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.