Home / 28,977,163.20-43,465,744.80-28,552,010.40

Finding the Fourth Proportional to 28,977,163.20, 43,465,744.80 and 28,552,010.40

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Solution

The fourth proportional to 28,977,163.20, 43,465,744.80 and 28,552,010.40 is: 42,828,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,163.20 : 43,465,744.80 = 28,552,010.40 : x
  2. Step 2: Convert to fraction form
    28,977,163.20/43,465,744.80 = 28,552,010.40/x
  3. Step 3: Cross multiply
    28,977,163.20x = 43,465,744.80 × 28,552,010.40
  4. Step 4: Simplify right side
    28,977,163.20x = 1,241,034,397,573,345.75
  5. Step 5: Solve for x
    x = 1,241,034,397,573,345.75/28,977,163.20
  6. Step 6: Final answer
    x = 42,828,015.60

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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.