Home / 28,446,245.50-39,243,309.14-16,679,507.80

Finding the Fourth Proportional to 28,446,245.50, 39,243,309.14 and 16,679,507.80

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Solution

The fourth proportional to 28,446,245.50, 39,243,309.14 and 16,679,507.80 is: 23,010,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,245.50 : 39,243,309.14 = 16,679,507.80 : x
  2. Step 2: Convert to fraction form
    28,446,245.50/39,243,309.14 = 16,679,507.80/x
  3. Step 3: Cross multiply
    28,446,245.50x = 39,243,309.14 × 16,679,507.80
  4. Step 4: Simplify right side
    28,446,245.50x = 654,559,080,898,441.38
  5. Step 5: Solve for x
    x = 654,559,080,898,441.38/28,446,245.50
  6. Step 6: Final answer
    x = 23,010,385.71

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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.