Home / 8,212,187.43-11,329,051.77-5,312,513.39

Finding the Fourth Proportional to 8,212,187.43, 11,329,051.77 and 5,312,513.39

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Solution

The fourth proportional to 8,212,187.43, 11,329,051.77 and 5,312,513.39 is: 7,328,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212,187.43 : 11,329,051.77 = 5,312,513.39 : x
  2. Step 2: Convert to fraction form
    8,212,187.43/11,329,051.77 = 5,312,513.39/x
  3. Step 3: Cross multiply
    8,212,187.43x = 11,329,051.77 × 5,312,513.39
  4. Step 4: Simplify right side
    8,212,187.43x = 60,185,739,167,482.94
  5. Step 5: Solve for x
    x = 60,185,739,167,482.94/8,212,187.43
  6. Step 6: Final answer
    x = 7,328,831.65

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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.