Home / 28,192,117.20-42,288,175.80-16,854,709.20

Finding the Fourth Proportional to 28,192,117.20, 42,288,175.80 and 16,854,709.20

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Solution

The fourth proportional to 28,192,117.20, 42,288,175.80 and 16,854,709.20 is: 25,282,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,117.20 : 42,288,175.80 = 16,854,709.20 : x
  2. Step 2: Convert to fraction form
    28,192,117.20/42,288,175.80 = 16,854,709.20/x
  3. Step 3: Cross multiply
    28,192,117.20x = 42,288,175.80 × 16,854,709.20
  4. Step 4: Simplify right side
    28,192,117.20x = 712,754,905,707,477.25
  5. Step 5: Solve for x
    x = 712,754,905,707,477.25/28,192,117.20
  6. Step 6: Final answer
    x = 25,282,063.80

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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.