Home / 21,902,530.08-30,224,730.17-12,609,792.12

Finding the Fourth Proportional to 21,902,530.08, 30,224,730.17 and 12,609,792.12

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Solution

The fourth proportional to 21,902,530.08, 30,224,730.17 and 12,609,792.12 is: 17,401,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902,530.08 : 30,224,730.17 = 12,609,792.12 : x
  2. Step 2: Convert to fraction form
    21,902,530.08/30,224,730.17 = 12,609,792.12/x
  3. Step 3: Cross multiply
    21,902,530.08x = 30,224,730.17 × 12,609,792.12
  4. Step 4: Simplify right side
    21,902,530.08x = 381,127,564,263,743.25
  5. Step 5: Solve for x
    x = 381,127,564,263,743.25/21,902,530.08
  6. Step 6: Final answer
    x = 17,401,074.80

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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.