Home / 13,031,446.20-19,554,167.70-5,459,177.40

Finding the Fourth Proportional to 13,031,446.20, 19,554,167.70 and 5,459,177.40

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Solution

The fourth proportional to 13,031,446.20, 19,554,167.70 and 5,459,177.40 is: 8,191,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031,446.20 : 19,554,167.70 = 5,459,177.40 : x
  2. Step 2: Convert to fraction form
    13,031,446.20/19,554,167.70 = 5,459,177.40/x
  3. Step 3: Cross multiply
    13,031,446.20x = 19,554,167.70 × 5,459,177.40
  4. Step 4: Simplify right side
    13,031,446.20x = 106,749,670,383,649.98
  5. Step 5: Solve for x
    x = 106,749,670,383,649.98/13,031,446.20
  6. Step 6: Final answer
    x = 8,191,697.89

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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.