Home / 28,140,775.29-38,858,506.11-17,704,187.46

Finding the Fourth Proportional to 28,140,775.29, 38,858,506.11 and 17,704,187.46

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Solution

The fourth proportional to 28,140,775.29, 38,858,506.11 and 17,704,187.46 is: 24,447,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140,775.29 : 38,858,506.11 = 17,704,187.46 : x
  2. Step 2: Convert to fraction form
    28,140,775.29/38,858,506.11 = 17,704,187.46/x
  3. Step 3: Cross multiply
    28,140,775.29x = 38,858,506.11 × 17,704,187.46
  4. Step 4: Simplify right side
    28,140,775.29x = 687,958,276,586,995.38
  5. Step 5: Solve for x
    x = 687,958,276,586,995.38/28,140,775.29
  6. Step 6: Final answer
    x = 24,447,026.41

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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.