Home / 12,177,632.51-16,805,139.64-6,671,206.64

Finding the Fourth Proportional to 12,177,632.51, 16,805,139.64 and 6,671,206.64

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Solution

The fourth proportional to 12,177,632.51, 16,805,139.64 and 6,671,206.64 is: 9,206,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,632.51 : 16,805,139.64 = 6,671,206.64 : x
  2. Step 2: Convert to fraction form
    12,177,632.51/16,805,139.64 = 6,671,206.64/x
  3. Step 3: Cross multiply
    12,177,632.51x = 16,805,139.64 × 6,671,206.64
  4. Step 4: Simplify right side
    12,177,632.51x = 112,110,559,068,469.52
  5. Step 5: Solve for x
    x = 112,110,559,068,469.52/12,177,632.51
  6. Step 6: Final answer
    x = 9,206,268.87

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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.