Home / 15,151,800.44-20,902,826.62-9,271,714.68

Finding the Fourth Proportional to 15,151,800.44, 20,902,826.62 and 9,271,714.68

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Solution

The fourth proportional to 15,151,800.44, 20,902,826.62 and 9,271,714.68 is: 12,790,892.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151,800.44 : 20,902,826.62 = 9,271,714.68 : x
  2. Step 2: Convert to fraction form
    15,151,800.44/20,902,826.62 = 9,271,714.68/x
  3. Step 3: Cross multiply
    15,151,800.44x = 20,902,826.62 × 9,271,714.68
  4. Step 4: Simplify right side
    15,151,800.44x = 193,805,044,426,148.78
  5. Step 5: Solve for x
    x = 193,805,044,426,148.78/15,151,800.44
  6. Step 6: Final answer
    x = 12,790,892.09

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1.5x scale

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.