Home / 21,677,821.40-32,508,627.98-8,719,593.16

Finding the Fourth Proportional to 21,677,821.40, 32,508,627.98 and 8,719,593.16

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Solution

The fourth proportional to 21,677,821.40, 32,508,627.98 and 8,719,593.16 is: 13,076,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677,821.40 : 32,508,627.98 = 8,719,593.16 : x
  2. Step 2: Convert to fraction form
    21,677,821.40/32,508,627.98 = 8,719,593.16/x
  3. Step 3: Cross multiply
    21,677,821.40x = 32,508,627.98 × 8,719,593.16
  4. Step 4: Simplify right side
    21,677,821.40x = 283,462,010,175,392.62
  5. Step 5: Solve for x
    x = 283,462,010,175,392.62/21,677,821.40
  6. Step 6: Final answer
    x = 13,076,129.97

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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.