Home / 12,576,131.40-18,864,197.10-4,492,979.40

Finding the Fourth Proportional to 12,576,131.40, 18,864,197.10 and 4,492,979.40

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Solution

The fourth proportional to 12,576,131.40, 18,864,197.10 and 4,492,979.40 is: 6,739,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,131.40 : 18,864,197.10 = 4,492,979.40 : x
  2. Step 2: Convert to fraction form
    12,576,131.40/18,864,197.10 = 4,492,979.40/x
  3. Step 3: Cross multiply
    12,576,131.40x = 18,864,197.10 × 4,492,979.40
  4. Step 4: Simplify right side
    12,576,131.40x = 84,756,448,967,839.75
  5. Step 5: Solve for x
    x = 84,756,448,967,839.75/12,576,131.40
  6. Step 6: Final answer
    x = 6,739,469.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.