Home / 28,262,822.30-39,011,152.71-16,505,262.21

Finding the Fourth Proportional to 28,262,822.30, 39,011,152.71 and 16,505,262.21

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Solution

The fourth proportional to 28,262,822.30, 39,011,152.71 and 16,505,262.21 is: 22,782,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262,822.30 : 39,011,152.71 = 16,505,262.21 : x
  2. Step 2: Convert to fraction form
    28,262,822.30/39,011,152.71 = 16,505,262.21/x
  3. Step 3: Cross multiply
    28,262,822.30x = 39,011,152.71 × 16,505,262.21
  4. Step 4: Simplify right side
    28,262,822.30x = 643,889,304,592,902.12
  5. Step 5: Solve for x
    x = 643,889,304,592,902.12/28,262,822.30
  6. Step 6: Final answer
    x = 22,782,201.22

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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.