Home / 18,701,846.90-25,808,296.36-10,442,036.32

Finding the Fourth Proportional to 18,701,846.90, 25,808,296.36 and 10,442,036.32

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Solution

The fourth proportional to 18,701,846.90, 25,808,296.36 and 10,442,036.32 is: 14,409,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,846.90 : 25,808,296.36 = 10,442,036.32 : x
  2. Step 2: Convert to fraction form
    18,701,846.90/25,808,296.36 = 10,442,036.32/x
  3. Step 3: Cross multiply
    18,701,846.90x = 25,808,296.36 × 10,442,036.32
  4. Step 4: Simplify right side
    18,701,846.90x = 269,491,167,948,443.78
  5. Step 5: Solve for x
    x = 269,491,167,948,443.78/18,701,846.90
  6. Step 6: Final answer
    x = 14,409,869.22

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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.