Home / 12,683,509.61-17,503,190.64-7,531,112.57

Finding the Fourth Proportional to 12,683,509.61, 17,503,190.64 and 7,531,112.57

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Solution

The fourth proportional to 12,683,509.61, 17,503,190.64 and 7,531,112.57 is: 10,392,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683,509.61 : 17,503,190.64 = 7,531,112.57 : x
  2. Step 2: Convert to fraction form
    12,683,509.61/17,503,190.64 = 7,531,112.57/x
  3. Step 3: Cross multiply
    12,683,509.61x = 17,503,190.64 × 7,531,112.57
  4. Step 4: Simplify right side
    12,683,509.61x = 131,818,498,956,494.41
  5. Step 5: Solve for x
    x = 131,818,498,956,494.41/12,683,509.61
  6. Step 6: Final answer
    x = 10,392,904.10

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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.