Home / 28,347,682.80-42,521,524.20-19,688,329.20

Finding the Fourth Proportional to 28,347,682.80, 42,521,524.20 and 19,688,329.20

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Solution

The fourth proportional to 28,347,682.80, 42,521,524.20 and 19,688,329.20 is: 29,532,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,682.80 : 42,521,524.20 = 19,688,329.20 : x
  2. Step 2: Convert to fraction form
    28,347,682.80/42,521,524.20 = 19,688,329.20/x
  3. Step 3: Cross multiply
    28,347,682.80x = 42,521,524.20 × 19,688,329.20
  4. Step 4: Simplify right side
    28,347,682.80x = 837,177,766,535,366.62
  5. Step 5: Solve for x
    x = 837,177,766,535,366.62/28,347,682.80
  6. Step 6: Final answer
    x = 29,532,493.80

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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.