Home / 19,499,665.20-26,909,209.80-10,797,650.88

Finding the Fourth Proportional to 19,499,665.20, 26,909,209.80 and 10,797,650.88

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Solution

The fourth proportional to 19,499,665.20, 26,909,209.80 and 10,797,650.88 is: 14,900,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499,665.20 : 26,909,209.80 = 10,797,650.88 : x
  2. Step 2: Convert to fraction form
    19,499,665.20/26,909,209.80 = 10,797,650.88/x
  3. Step 3: Cross multiply
    19,499,665.20x = 26,909,209.80 × 10,797,650.88
  4. Step 4: Simplify right side
    19,499,665.20x = 290,556,252,877,074.62
  5. Step 5: Solve for x
    x = 290,556,252,877,074.62/19,499,665.20
  6. Step 6: Final answer
    x = 14,900,576.49

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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.