Home / 12,191,128.23-16,823,564.35-6,684,548.36

Finding the Fourth Proportional to 12,191,128.23, 16,823,564.35 and 6,684,548.36

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Solution

The fourth proportional to 12,191,128.23, 16,823,564.35 and 6,684,548.36 is: 9,224,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,128.23 : 16,823,564.35 = 6,684,548.36 : x
  2. Step 2: Convert to fraction form
    12,191,128.23/16,823,564.35 = 6,684,548.36/x
  3. Step 3: Cross multiply
    12,191,128.23x = 16,823,564.35 × 6,684,548.36
  4. Step 4: Simplify right side
    12,191,128.23x = 112,457,929,485,146.98
  5. Step 5: Solve for x
    x = 112,457,929,485,146.98/12,191,128.23
  6. Step 6: Final answer
    x = 9,224,571.13

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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.