Home / 28,849,762.64-39,815,343.24-15,972,706.64

Finding the Fourth Proportional to 28,849,762.64, 39,815,343.24 and 15,972,706.64

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Solution

The fourth proportional to 28,849,762.64, 39,815,343.24 and 15,972,706.64 is: 22,043,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849,762.64 : 39,815,343.24 = 15,972,706.64 : x
  2. Step 2: Convert to fraction form
    28,849,762.64/39,815,343.24 = 15,972,706.64/x
  3. Step 3: Cross multiply
    28,849,762.64x = 39,815,343.24 × 15,972,706.64
  4. Step 4: Simplify right side
    28,849,762.64x = 635,958,797,343,427.12
  5. Step 5: Solve for x
    x = 635,958,797,343,427.12/28,849,762.64
  6. Step 6: Final answer
    x = 22,043,813.85

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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.