Home / 28,011,404.80-42,017,107.20-16,646,003.20

Finding the Fourth Proportional to 28,011,404.80, 42,017,107.20 and 16,646,003.20

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Solution

The fourth proportional to 28,011,404.80, 42,017,107.20 and 16,646,003.20 is: 24,969,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011,404.80 : 42,017,107.20 = 16,646,003.20 : x
  2. Step 2: Convert to fraction form
    28,011,404.80/42,017,107.20 = 16,646,003.20/x
  3. Step 3: Cross multiply
    28,011,404.80x = 42,017,107.20 × 16,646,003.20
  4. Step 4: Simplify right side
    28,011,404.80x = 699,416,900,905,943
  5. Step 5: Solve for x
    x = 699,416,900,905,943/28,011,404.80
  6. Step 6: Final answer
    x = 24,969,004.80

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1.5x scale

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.