Home / 14,939,547.62-20,616,622.24-8,661,298.64

Finding the Fourth Proportional to 14,939,547.62, 20,616,622.24 and 8,661,298.64

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Solution

The fourth proportional to 14,939,547.62, 20,616,622.24 and 8,661,298.64 is: 11,952,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,547.62 : 20,616,622.24 = 8,661,298.64 : x
  2. Step 2: Convert to fraction form
    14,939,547.62/20,616,622.24 = 8,661,298.64/x
  3. Step 3: Cross multiply
    14,939,547.62x = 20,616,622.24 × 8,661,298.64
  4. Step 4: Simplify right side
    14,939,547.62x = 178,566,722,043,969.41
  5. Step 5: Solve for x
    x = 178,566,722,043,969.41/14,939,547.62
  6. Step 6: Final answer
    x = 11,952,619.09

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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.