Home / 28,958,800.34-43,438,162.16-7,393,405.70

Finding the Fourth Proportional to 28,958,800.34, 43,438,162.16 and 7,393,405.70

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Solution

The fourth proportional to 28,958,800.34, 43,438,162.16 and 7,393,405.70 is: 11,090,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958,800.34 : 43,438,162.16 = 7,393,405.70 : x
  2. Step 2: Convert to fraction form
    28,958,800.34/43,438,162.16 = 7,393,405.70/x
  3. Step 3: Cross multiply
    28,958,800.34x = 43,438,162.16 × 7,393,405.70
  4. Step 4: Simplify right side
    28,958,800.34x = 321,155,955,711,268.31
  5. Step 5: Solve for x
    x = 321,155,955,711,268.31/28,958,800.34
  6. Step 6: Final answer
    x = 11,090,098.76

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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.