Home / 12,929,889.38-19,394,931.29-5,739,490.22

Finding the Fourth Proportional to 12,929,889.38, 19,394,931.29 and 5,739,490.22

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Solution

The fourth proportional to 12,929,889.38, 19,394,931.29 and 5,739,490.22 is: 8,609,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,889.38 : 19,394,931.29 = 5,739,490.22 : x
  2. Step 2: Convert to fraction form
    12,929,889.38/19,394,931.29 = 5,739,490.22/x
  3. Step 3: Cross multiply
    12,929,889.38x = 19,394,931.29 × 5,739,490.22
  4. Step 4: Simplify right side
    12,929,889.38x = 111,317,018,330,854.88
  5. Step 5: Solve for x
    x = 111,317,018,330,854.88/12,929,889.38
  6. Step 6: Final answer
    x = 8,609,278.48

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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.