Home / 30,213,405.72-41,694,505.86-16,462,369.80

Finding the Fourth Proportional to 30,213,405.72, 41,694,505.86 and 16,462,369.80

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Solution

The fourth proportional to 30,213,405.72, 41,694,505.86 and 16,462,369.80 is: 22,718,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,405.72 : 41,694,505.86 = 16,462,369.80 : x
  2. Step 2: Convert to fraction form
    30,213,405.72/41,694,505.86 = 16,462,369.80/x
  3. Step 3: Cross multiply
    30,213,405.72x = 41,694,505.86 × 16,462,369.80
  4. Step 4: Simplify right side
    30,213,405.72x = 686,390,374,095,587
  5. Step 5: Solve for x
    x = 686,390,374,095,587/30,213,405.72
  6. Step 6: Final answer
    x = 22,718,073.57

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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.