Home / 28,029,524.40-38,673,423.54-16,420,847.40

Finding the Fourth Proportional to 28,029,524.40, 38,673,423.54 and 16,420,847.40

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Solution

The fourth proportional to 28,029,524.40, 38,673,423.54 and 16,420,847.40 is: 22,656,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,524.40 : 38,673,423.54 = 16,420,847.40 : x
  2. Step 2: Convert to fraction form
    28,029,524.40/38,673,423.54 = 16,420,847.40/x
  3. Step 3: Cross multiply
    28,029,524.40x = 38,673,423.54 × 16,420,847.40
  4. Step 4: Simplify right side
    28,029,524.40x = 635,050,386,385,907.75
  5. Step 5: Solve for x
    x = 635,050,386,385,907.75/28,029,524.40
  6. Step 6: Final answer
    x = 22,656,480.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.