Home / 12,163,465.54-16,785,588.98-6,656,837.17

Finding the Fourth Proportional to 12,163,465.54, 16,785,588.98 and 6,656,837.17

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Solution

The fourth proportional to 12,163,465.54, 16,785,588.98 and 6,656,837.17 is: 9,186,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163,465.54 : 16,785,588.98 = 6,656,837.17 : x
  2. Step 2: Convert to fraction form
    12,163,465.54/16,785,588.98 = 6,656,837.17/x
  3. Step 3: Cross multiply
    12,163,465.54x = 16,785,588.98 × 6,656,837.17
  4. Step 4: Simplify right side
    12,163,465.54x = 111,738,932,642,406.39
  5. Step 5: Solve for x
    x = 111,738,932,642,406.39/12,163,465.54
  6. Step 6: Final answer
    x = 9,186,438.87

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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.