Home / 16,913,173.25-23,340,179.25-9,178,215.57

Finding the Fourth Proportional to 16,913,173.25, 23,340,179.25 and 9,178,215.57

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Solution

The fourth proportional to 16,913,173.25, 23,340,179.25 and 9,178,215.57 is: 12,665,937.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913,173.25 : 23,340,179.25 = 9,178,215.57 : x
  2. Step 2: Convert to fraction form
    16,913,173.25/23,340,179.25 = 9,178,215.57/x
  3. Step 3: Cross multiply
    16,913,173.25x = 23,340,179.25 × 9,178,215.57
  4. Step 4: Simplify right side
    16,913,173.25x = 214,221,196,693,340.53
  5. Step 5: Solve for x
    x = 214,221,196,693,340.53/16,913,173.25
  6. Step 6: Final answer
    x = 12,665,937.58

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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.