Home / 20,382,299.44-28,118,304.90-12,117,672.26

Finding the Fourth Proportional to 20,382,299.44, 28,118,304.90 and 12,117,672.26

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Solution

The fourth proportional to 20,382,299.44, 28,118,304.90 and 12,117,672.26 is: 16,716,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382,299.44 : 28,118,304.90 = 12,117,672.26 : x
  2. Step 2: Convert to fraction form
    20,382,299.44/28,118,304.90 = 12,117,672.26/x
  3. Step 3: Cross multiply
    20,382,299.44x = 28,118,304.90 × 12,117,672.26
  4. Step 4: Simplify right side
    20,382,299.44x = 340,728,403,249,804.12
  5. Step 5: Solve for x
    x = 340,728,403,249,804.12/20,382,299.44
  6. Step 6: Final answer
    x = 16,716,877.52

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1.5x scale

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.