Home / 21,902,540.64-30,224,744.64-12,609,802.68

Finding the Fourth Proportional to 21,902,540.64, 30,224,744.64 and 12,609,802.68

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Solution

The fourth proportional to 21,902,540.64, 30,224,744.64 and 12,609,802.68 is: 17,401,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902,540.64 : 30,224,744.64 = 12,609,802.68 : x
  2. Step 2: Convert to fraction form
    21,902,540.64/30,224,744.64 = 12,609,802.68/x
  3. Step 3: Cross multiply
    21,902,540.64x = 30,224,744.64 × 12,609,802.68
  4. Step 4: Simplify right side
    21,902,540.64x = 381,128,065,963,787.62
  5. Step 5: Solve for x
    x = 381,128,065,963,787.62/21,902,540.64
  6. Step 6: Final answer
    x = 17,401,089.32

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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.