Home / 28,993,428.20-43,518,135.90-17,656,020.20

Finding the Fourth Proportional to 28,993,428.20, 43,518,135.90 and 17,656,020.20

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Solution

The fourth proportional to 28,993,428.20, 43,518,135.90 and 17,656,020.20 is: 26,501,077.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993,428.20 : 43,518,135.90 = 17,656,020.20 : x
  2. Step 2: Convert to fraction form
    28,993,428.20/43,518,135.90 = 17,656,020.20/x
  3. Step 3: Cross multiply
    28,993,428.20x = 43,518,135.90 × 17,656,020.20
  4. Step 4: Simplify right side
    28,993,428.20x = 768,357,086,516,745.12
  5. Step 5: Solve for x
    x = 768,357,086,516,745.12/28,993,428.20
  6. Step 6: Final answer
    x = 26,501,077.46

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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.