Home / 21,715,339.77-29,978,803.22-16,742,920.95

Finding the Fourth Proportional to 21,715,339.77, 29,978,803.22 and 16,742,920.95

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Solution

The fourth proportional to 21,715,339.77, 29,978,803.22 and 16,742,920.95 is: 23,114,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715,339.77 : 29,978,803.22 = 16,742,920.95 : x
  2. Step 2: Convert to fraction form
    21,715,339.77/29,978,803.22 = 16,742,920.95/x
  3. Step 3: Cross multiply
    21,715,339.77x = 29,978,803.22 × 16,742,920.95
  4. Step 4: Simplify right side
    21,715,339.77x = 501,932,732,404,350.81
  5. Step 5: Solve for x
    x = 501,932,732,404,350.81/21,715,339.77
  6. Step 6: Final answer
    x = 23,114,201.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.