Home / 18,266,804.28-25,178,810.04-12,384,532.44

Finding the Fourth Proportional to 18,266,804.28, 25,178,810.04 and 12,384,532.44

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Solution

The fourth proportional to 18,266,804.28, 25,178,810.04 and 12,384,532.44 is: 17,070,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266,804.28 : 25,178,810.04 = 12,384,532.44 : x
  2. Step 2: Convert to fraction form
    18,266,804.28/25,178,810.04 = 12,384,532.44/x
  3. Step 3: Cross multiply
    18,266,804.28x = 25,178,810.04 × 12,384,532.44
  4. Step 4: Simplify right side
    18,266,804.28x = 311,827,789,740,977.69
  5. Step 5: Solve for x
    x = 311,827,789,740,977.69/18,266,804.28
  6. Step 6: Final answer
    x = 17,070,735.80

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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.