Home / 12,798,920.51-17,662,677.84-6,997,708.92

Finding the Fourth Proportional to 12,798,920.51, 17,662,677.84 and 6,997,708.92

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Solution

The fourth proportional to 12,798,920.51, 17,662,677.84 and 6,997,708.92 is: 9,656,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,920.51 : 17,662,677.84 = 6,997,708.92 : x
  2. Step 2: Convert to fraction form
    12,798,920.51/17,662,677.84 = 6,997,708.92/x
  3. Step 3: Cross multiply
    12,798,920.51x = 17,662,677.84 × 6,997,708.92
  4. Step 4: Simplify right side
    12,798,920.51x = 123,598,278,272,054.33
  5. Step 5: Solve for x
    x = 123,598,278,272,054.33/12,798,920.51
  6. Step 6: Final answer
    x = 9,656,929.91

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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.