Home / 12,120,987.26-16,727,315.67-6,614,716.77

Finding the Fourth Proportional to 12,120,987.26, 16,727,315.67 and 6,614,716.77

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Solution

The fourth proportional to 12,120,987.26, 16,727,315.67 and 6,614,716.77 is: 9,128,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,987.26 : 16,727,315.67 = 6,614,716.77 : x
  2. Step 2: Convert to fraction form
    12,120,987.26/16,727,315.67 = 6,614,716.77/x
  3. Step 3: Cross multiply
    12,120,987.26x = 16,727,315.67 × 6,614,716.77
  4. Step 4: Simplify right side
    12,120,987.26x = 110,646,455,507,877.77
  5. Step 5: Solve for x
    x = 110,646,455,507,877.77/12,120,987.26
  6. Step 6: Final answer
    x = 9,128,501.92

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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.