Home / 13,521,424.26-20,302,397.60-11,705,390.70

Finding the Fourth Proportional to 13,521,424.26, 20,302,397.60 and 11,705,390.70

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Solution

The fourth proportional to 13,521,424.26, 20,302,397.60 and 11,705,390.70 is: 17,575,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,424.26 : 20,302,397.60 = 11,705,390.70 : x
  2. Step 2: Convert to fraction form
    13,521,424.26/20,302,397.60 = 11,705,390.70/x
  3. Step 3: Cross multiply
    13,521,424.26x = 20,302,397.60 × 11,705,390.70
  4. Step 4: Simplify right side
    13,521,424.26x = 237,647,495,996,215.34
  5. Step 5: Solve for x
    x = 237,647,495,996,215.34/13,521,424.26
  6. Step 6: Final answer
    x = 17,575,626.02

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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.