Home / 13,581,625.41-18,733,152.56-9,223,145.82

Finding the Fourth Proportional to 13,581,625.41, 18,733,152.56 and 9,223,145.82

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Solution

The fourth proportional to 13,581,625.41, 18,733,152.56 and 9,223,145.82 is: 12,721,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581,625.41 : 18,733,152.56 = 9,223,145.82 : x
  2. Step 2: Convert to fraction form
    13,581,625.41/18,733,152.56 = 9,223,145.82/x
  3. Step 3: Cross multiply
    13,581,625.41x = 18,733,152.56 × 9,223,145.82
  4. Step 4: Simplify right side
    13,581,625.41x = 172,778,597,683,070.56
  5. Step 5: Solve for x
    x = 172,778,597,683,070.56/13,581,625.41
  6. Step 6: Final answer
    x = 12,721,496.32

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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.