Home / 19,702,429-27,189,094.48-11,000,749.72

Finding the Fourth Proportional to 19,702,429, 27,189,094.48 and 11,000,749.72

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Solution

The fourth proportional to 19,702,429, 27,189,094.48 and 11,000,749.72 is: 15,180,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702,429 : 27,189,094.48 = 11,000,749.72 : x
  2. Step 2: Convert to fraction form
    19,702,429/27,189,094.48 = 11,000,749.72/x
  3. Step 3: Cross multiply
    19,702,429x = 27,189,094.48 × 11,000,749.72
  4. Step 4: Simplify right side
    19,702,429x = 299,100,423,487,913.56
  5. Step 5: Solve for x
    x = 299,100,423,487,913.56/19,702,429
  6. Step 6: Final answer
    x = 15,180,890.82

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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.