Home / 18,701,848.40-25,808,298.43-10,442,037.82

Finding the Fourth Proportional to 18,701,848.40, 25,808,298.43 and 10,442,037.82

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Solution

The fourth proportional to 18,701,848.40, 25,808,298.43 and 10,442,037.82 is: 14,409,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,848.40 : 25,808,298.43 = 10,442,037.82 : x
  2. Step 2: Convert to fraction form
    18,701,848.40/25,808,298.43 = 10,442,037.82/x
  3. Step 3: Cross multiply
    18,701,848.40x = 25,808,298.43 × 10,442,037.82
  4. Step 4: Simplify right side
    18,701,848.40x = 269,491,228,275,906.62
  5. Step 5: Solve for x
    x = 269,491,228,275,906.62/18,701,848.40
  6. Step 6: Final answer
    x = 14,409,871.29

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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.