Home / 13,423,422.33-20,119,516.16-7,670,189.03

Finding the Fourth Proportional to 13,423,422.33, 20,119,516.16 and 7,670,189.03

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Solution

The fourth proportional to 13,423,422.33, 20,119,516.16 and 7,670,189.03 is: 11,496,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,422.33 : 20,119,516.16 = 7,670,189.03 : x
  2. Step 2: Convert to fraction form
    13,423,422.33/20,119,516.16 = 7,670,189.03/x
  3. Step 3: Cross multiply
    13,423,422.33x = 20,119,516.16 × 7,670,189.03
  4. Step 4: Simplify right side
    13,423,422.33x = 154,320,492,000,391.22
  5. Step 5: Solve for x
    x = 154,320,492,000,391.22/13,423,422.33
  6. Step 6: Final answer
    x = 11,496,359.74

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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.