Home / 20,900,252.14-28,842,414.78-11,607,820.54

Finding the Fourth Proportional to 20,900,252.14, 28,842,414.78 and 11,607,820.54

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Solution

The fourth proportional to 20,900,252.14, 28,842,414.78 and 11,607,820.54 is: 16,018,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,900,252.14 : 28,842,414.78 = 11,607,820.54 : x
  2. Step 2: Convert to fraction form
    20,900,252.14/28,842,414.78 = 11,607,820.54/x
  3. Step 3: Cross multiply
    20,900,252.14x = 28,842,414.78 × 11,607,820.54
  4. Step 4: Simplify right side
    20,900,252.14x = 334,797,574,706,483.56
  5. Step 5: Solve for x
    x = 334,797,574,706,483.56/20,900,252.14
  6. Step 6: Final answer
    x = 16,018,829.46

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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.