Home / 12,312,390.37-16,992,786.54-7,085,291.08

Finding the Fourth Proportional to 12,312,390.37, 16,992,786.54 and 7,085,291.08

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Solution

The fourth proportional to 12,312,390.37, 16,992,786.54 and 7,085,291.08 is: 9,778,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,390.37 : 16,992,786.54 = 7,085,291.08 : x
  2. Step 2: Convert to fraction form
    12,312,390.37/16,992,786.54 = 7,085,291.08/x
  3. Step 3: Cross multiply
    12,312,390.37x = 16,992,786.54 × 7,085,291.08
  4. Step 4: Simplify right side
    12,312,390.37x = 120,398,838,896,206.06
  5. Step 5: Solve for x
    x = 120,398,838,896,206.06/12,312,390.37
  6. Step 6: Final answer
    x = 9,778,672.97

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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.