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Finding the Fourth Proportional to 28,978,744.68, 43,469,605.98 and 7,413,533.46

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Solution

The fourth proportional to 28,978,744.68, 43,469,605.98 and 7,413,533.46 is: 11,120,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,744.68 : 43,469,605.98 = 7,413,533.46 : x
  2. Step 2: Convert to fraction form
    28,978,744.68/43,469,605.98 = 7,413,533.46/x
  3. Step 3: Cross multiply
    28,978,744.68x = 43,469,605.98 × 7,413,533.46
  4. Step 4: Simplify right side
    28,978,744.68x = 322,263,378,425,746.06
  5. Step 5: Solve for x
    x = 322,263,378,425,746.06/28,978,744.68
  6. Step 6: Final answer
    x = 11,120,681.11

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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.