Home / 28,964,936.16-39,967,168.56-16,739,432.16

Finding the Fourth Proportional to 28,964,936.16, 39,967,168.56 and 16,739,432.16

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Solution

The fourth proportional to 28,964,936.16, 39,967,168.56 and 16,739,432.16 is: 23,097,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,936.16 : 39,967,168.56 = 16,739,432.16 : x
  2. Step 2: Convert to fraction form
    28,964,936.16/39,967,168.56 = 16,739,432.16/x
  3. Step 3: Cross multiply
    28,964,936.16x = 39,967,168.56 × 16,739,432.16
  4. Step 4: Simplify right side
    28,964,936.16x = 669,027,706,737,404.88
  5. Step 5: Solve for x
    x = 669,027,706,737,404.88/28,964,936.16
  6. Step 6: Final answer
    x = 23,097,848.48

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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.