Home / 21,355,522.90-29,470,612.35-11,565,967.57

Finding the Fourth Proportional to 21,355,522.90, 29,470,612.35 and 11,565,967.57

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Solution

The fourth proportional to 21,355,522.90, 29,470,612.35 and 11,565,967.57 is: 15,961,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,522.90 : 29,470,612.35 = 11,565,967.57 : x
  2. Step 2: Convert to fraction form
    21,355,522.90/29,470,612.35 = 11,565,967.57/x
  3. Step 3: Cross multiply
    21,355,522.90x = 29,470,612.35 × 11,565,967.57
  4. Step 4: Simplify right side
    21,355,522.90x = 340,856,146,560,788.44
  5. Step 5: Solve for x
    x = 340,856,146,560,788.44/21,355,522.90
  6. Step 6: Final answer
    x = 15,961,030.23

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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.