Home / 28,665,083.60-39,555,385.43-16,105,154.90

Finding the Fourth Proportional to 28,665,083.60, 39,555,385.43 and 16,105,154.90

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Solution

The fourth proportional to 28,665,083.60, 39,555,385.43 and 16,105,154.90 is: 22,223,748.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665,083.60 : 39,555,385.43 = 16,105,154.90 : x
  2. Step 2: Convert to fraction form
    28,665,083.60/39,555,385.43 = 16,105,154.90/x
  3. Step 3: Cross multiply
    28,665,083.60x = 39,555,385.43 × 16,105,154.90
  4. Step 4: Simplify right side
    28,665,083.60x = 637,045,609,618,504.38
  5. Step 5: Solve for x
    x = 637,045,609,618,504.38/28,665,083.60
  6. Step 6: Final answer
    x = 22,223,748.54

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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.