Home / 28,611,250.68-39,484,564.26-16,390,469.64

Finding the Fourth Proportional to 28,611,250.68, 39,484,564.26 and 16,390,469.64

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Solution

The fourth proportional to 28,611,250.68, 39,484,564.26 and 16,390,469.64 is: 22,619,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611,250.68 : 39,484,564.26 = 16,390,469.64 : x
  2. Step 2: Convert to fraction form
    28,611,250.68/39,484,564.26 = 16,390,469.64/x
  3. Step 3: Cross multiply
    28,611,250.68x = 39,484,564.26 × 16,390,469.64
  4. Step 4: Simplify right side
    28,611,250.68x = 647,170,551,752,159
  5. Step 5: Solve for x
    x = 647,170,551,752,159/28,611,250.68
  6. Step 6: Final answer
    x = 22,619,442.92

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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.