Home / 28,776,665.31-43,171,781.43-9,345,825.87

Finding the Fourth Proportional to 28,776,665.31, 43,171,781.43 and 9,345,825.87

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Solution

The fourth proportional to 28,776,665.31, 43,171,781.43 and 9,345,825.87 is: 14,020,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776,665.31 : 43,171,781.43 = 9,345,825.87 : x
  2. Step 2: Convert to fraction form
    28,776,665.31/43,171,781.43 = 9,345,825.87/x
  3. Step 3: Cross multiply
    28,776,665.31x = 43,171,781.43 × 9,345,825.87
  4. Step 4: Simplify right side
    28,776,665.31x = 403,475,951,742,479.56
  5. Step 5: Solve for x
    x = 403,475,951,742,479.56/28,776,665.31
  6. Step 6: Final answer
    x = 14,020,941.88

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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.